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Implementation of new and reconstruction of the existing network environments
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Service and maintenance
We are able to easily service not only the solutions we have implemented, but also the existing ones at the customer’s. We also undertake maintenance tasks in compliance with the often very strict SLA.
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Campus networks differ from Data Center networks in their purpose and topology. Networking in DC is about the performance and availability of the organization’s applications. Campus networks are to provide the user with access to these applications and connectivity in often dispersed locations.
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IT Center of the Ministry of Finance
Build a disaster recovery service for critical electronic services. Network part of the project consisted of building a complete, stretched between the locations of the network based on Cisco devices, including the implementation of complex solutions ACI.
ICM University of Warsaw
Delivery, installation, commissioning and integration of a large-scale data processing system for the Ocean Competence Center. As part of the network project was launched three independent networking solutions:
- high-performance network based on Juniper devices for a computing cluster based on x86 servers
- high-performance network based on Mellanox devices for the CRAY computing platform
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Fortinet in a chain of gas stations
Delivery, installation, commissioning and integration with client applications of a distributed solution based on Fortinet devices in one of the largest networks of petrol stations in Poland. The project assumed enabling safe communication of individual gas stations with applications operating in the customer’s Data Center.
Cisco ACI implementations
Comtegra has extensive experience in designing, delivering and implementing complex SDN Cisco ACI (Application Centric Infrastructure) solutions gained during projects for government institutions and private sector clients.


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Re: Mark IV Electronics Design
- To: email@example.com, Dietmar William Foryta <firstname.lastname@example.org>
- Subject: Re: Mark IV Electronics Design
- From: Tom Droege <droege@FNAL.GOV>
- Date: Tue, 27 Jan 1998 13:08:24 -0600
- Date-warning: Date header was inserted by FNAL.FNAL.GOV
- Old-Return-Path: <droege@FNAL.GOV>
- Resent-Date: Tue, 27 Jan 1998 14:49:56 -0500
- Resent-From: email@example.com
- Resent-Message-ID: <"LTZ8DD.A.OKD.tCjz0"@kani.wwa.com>
- Resent-Sender: firstname.lastname@example.org
This has been suggested several times. The ethernet cable does not
answer the question of buffering. The camera will generate 32 Mbytes
in one continuous block. I don't want to interrupt this data flow as
that is the kind of thing that causes pattern errors in the data. So
the data is transmitted by a cable of my own design to a memory card
that lives in a PC.
Now you can have an ethernet cable on that PC to move the data to where
you want to work on it. Just consider the first PC in the string to
be part of the Mark IV control system if you like. A control program
can live there and could now communicate by ethernet.
Even if someone tells me that ethernet can accept data at a continuous
1Mbyte rate for blocks 32 Mbytes long, still the easiest way for me to
build an ethernet interface would be to put a memory card in a PC and
have the PC drive the ethernet cable. PCs are cheap. I could buy an
extra PC for all the Mark IVs apt to be built for less than the cost
of designing even a simple interface to ethernet.
I certainly did consider derandomizing bufferes of various types. Since
memory is so cheap, it was simply easier to build a big buffer. We
avoided the complication of designing it for simultaneous reads and writes.
Just data push it full, and have the PC unload it before the next data
push. Multiple buffers can now be done in the PC.
As I say, consider the first PC just the buffering and Ethernet interface.
At 03:37 PM 1/27/98 -0200, you wrote:
>On Thu, 8 Jan 1998, Chris Albertson wrote:
>> Tom Droege wrote:
>> > This is mostly a reply to Grzegorz Pojmanski who is interested in using the
>> > Mark IV electronics. I am posting it to the group as there may be general
>> > interest. The status today is that there are rough drawings for
>> > The connector details have not been worked out.
>> If you have not yet worked out the cable that feeds the
>> memory board would you make it look like a printer
>> interface. Modern printer ports are bi-directional
>> and very fast. (Just look at what a ZIP drive can do.)
>Depending on neeeds, it may beinteresting to see an ethernet like cable to
>connect. Why this?
>If we have need to transfert a lot of data in very restric time interval,
>eg CCD camera, the ethernet link is fast enough. The paralel port cables
>are limited on distance for very high speed.
>As exemple, a CCD camera builder in France may fournish its camera with
>dedicated ethernet link for lower price that a paralel port and the
>estimated time for transfer is great better.
>Dietmar William Foryta (email@example.com)


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The Morse Things project investigates the nature of relations between people and computational things in the making of everyday life. Specifically, Morse Things explores the notion of the Internet of Things, in addition to connectivity, sensing and data, the project aims to understand the materiality, temporality and human relationships that constitute and potentially undermine the current concept of the Internet of Things.
At the center of the Morse Things project are multiple sets of three networked ceramic cups and bowls. The cups and bowls digitally communicate between themselves as they progress over time toward an “awareness” of their potential group and networked existence. The data communication between the Morse Things is expressed through sound by each cup or bowl in Morse code; and over the Internet on Twitter.
The Morse Things are continuously being deployed in several long-term (several months) studies in peoples’ homes and apartments. The aim of the project is to make material and visible the non-human to non-human communication among digital things. Our goal is to understand the long-term and lived with experiences these create and unexpected opportunities that are constructed through our daily lives with such artifacts.


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Copper Horse’s Mobile Security Intern, April Baracho discusses challenges and methods of setting up secure and usable associations for IoT devices that have no visible user interface.
We are living in a world that is getting to be increasingly interconnected, an environment best described as the ‘Internet of Things’. Central to the existence and proliferation of the IoT is the automation of mundane tasks. This in turn depends on the ability of devices to communicate with each other with minimal human interaction. In order to achieve this, any device joining the network needs to be enrolled onto it. Enrolment of an IoT device is its initiation into the grid of interconnected devices. This is achieved by the secure exchange of credentials between the device and the network.
Connecting devices such as a laptop or a smartphone to a network is something most of us do on a regular basis. (often gullibly without batting an eyelid!) Provisioning IoT devices, on the other hand, is a whole other ball game. The main challenge is that most IoT devices are equipped with either a rudimentary user interface or in some cases no UI at all. While the secure bootstrapping of devices such as these is challenging, there are several ways in which this can be achieved.
A review of the big players in the IoT space demonstrates that most headless devices in the market today use a laptop or a palm-held device as an extended user interface allowing for effective monitoring and management of the IoT device. A thermostat with only a display could flash a string the first time it is powered on, allowing a user to key in that string into the application. Similarly, a device with a series of LEDs could blink a ‘key’ that could be entered into the smartphone app, linking the device and smartphone app together in a verified association.
Out of band provisioning methods such as NFC and Bluetooth are also common place. A headless device such as the FitBit fitness tracker uses Bluetooth Low Energy (BLE) to enrol with the smartphone application and thereafter the rest of the home Wi-Fi network. Updates to the WI-Fi Alliance certification program enables two Wi-Fi devices with NFC tags to connect to each other and the local Wi-Fi network by tapping them together.
Other methods used to connect headless IoT devices to a Wi-Fi network include the PIN method and Push-Button Connect (PBC) method for Wi-Fi Protected Setup (WPS) enabled devices and access points. An obvious setback of the PIN method in this scenario is that both the access point and the headless device do not have a keypad for the PIN to be entered. While the PBC method seems to be just a bit more effective in provisioning headless devices, it suffers from security issues such as a two minute window that allows any WPS enabled device to join the network once the button on the access point (hub) is pushed. Further security flaws in the WPS design such as a vulnerability of the PIN method to brute force attacks have since been found.
PKI for the Internet of Things
Enrolment of an IoT device, although a task in itself, only connects a device to the local network. It does not provide for the secure mutual verification of device identity. The setup of secure associations between devices is typically achieved by certificate exchange carried out via key agreement protocols. While it should be relatively straight-forward to use a PKI framework for certificate exchange, there are some issues relating to scalability and device capability when it comes to considering the use of PKI in the IoT space.
The sheer number of IoT devices that are connected to the internet everyday means that the scaled use of PKI in facilitating mutual authentication is debatable. Furthermore, IoT devices are typically resource constrained and do not possess computationally intensive processing capabilities. The storage of certificates and the processing capabilities associated with encryption and the setting up of handshakes to establish secure communications all require capabilities far beyond a typical resource constrained device in the internet of things. Add to this the issue of scaled secure credential generation for the IoT and it is clear that a lot needs to be done to make the use of a PKI framework in the IoT a possibility and a reality.


Logitech tries to support users to use its wireless devices by providing Logitech Connection Utility. This Logitech software allows you to configure your Logitech wireless devices quickly and efficiently. It is a free software for those who are using Logitech wireless devices for Windows PCs. Check the detail of this app, including how to download and use this software.
What is Logitech Connection Utility?
This is free software by Logitech to configure and connect Logitech wireless devices to Windows PCs. It is a licensed software for a PC and laptop with Windows 32-bit and 64-bit operating systems.
This software is compatible with a variety of Logitech wireless devices, including mice and keyboards. Users don’t need to worry to lose the wireless configuration anytime they connect to the wired versions. It is because this software saves the wireless device configuration. As a result, you can use the wireless devices right away without reconfiguring everything from the beginning.
Some users love to use Logitech Multi Connect Utility software, including Logitech Multi Connect Utility because it offers more effective features.
1. Connect Wireless Devices Immediately
Logitech develops this software with a feature that can connect Logitech wireless devices immediately. It works well if you have devices with wired and wireless functions. These devices often lose their wireless configuration anytime using the wired version.
Indeed, the Connection Utility software helps to prevent this problem. As a result, you can use the devices anytime you want whether you want to change from wired to wireless.
2. Compatible with A Variety of Logitech Devices
Logitech Connection Utility is also compatible with a variety of wireless Logitech devices. For example, you can use this software for the Logitech M185 wireless mouse. Besides being compatible with M185, you should download this program if you have or have a plan to use Logitech MK220, M331, M238, M187, and MK240.
For gamers, ensure that you have the latest Logitech Multi Connect Utility software if you play using G603 Light Speed wireless gaming mouse, G613 wireless mechanical gaming keyboard, G304 Light Speed wireless gaming mouse, and others.
Related Logitech Software:
- Logitech G Hub Download
- Logitech Capture Download
- Logitech Options Download
- Logitech Unifying Download
- Logitech Gaming Software Download
Logitech Connection Utility Software Free Download
Logitech wireless devices users can download the Connection Utility software for free. Logitech is ready with the 2.52.33. It is the latest version that Logitech updated on April, 4th 2022.
The latest software has a better and more sophisticated security system. You can also click the links below to get the latest Logitech Connection Utility software for Windows:
Supported Windows OS:
- Windows 10
- Windows 8
- Windows 7
Does Logitech Multi Connect Utility Work with Mac?
So, how about Mac OS device users? Does Logitech multi connect utility work with Mac? Unfortunately there is no version of Logitech Multi Connect Utility for Mac OS. But you don’t need to worry because you can still download the Logitech Unifying software as an alternative.
Supported Mac OS:
- OS X 10.8
- OS X 10.9
- OS X 10.10
- OS X 10.11
- Mac OS 10.12
- Mac OS 10.13
Ensure that you get the latest software version and launch it. Plug in the Unifying receiver to your Mac OS device. Now, click the configure option. Choose the Logitech wireless devices you are about to pair with the receiver. The on-screen instructions will appear. Follow the instructions to continue to the next step. You can use the software and get the benefits once you install the Logitech Connection Utility software.
Install Connection Utility on Windows
Ensure that you have downloaded the latest Logitech Connection Utility for Windows before installing the software and using it. Check how to get the latest Connection Utility software above. Then, you can continue to install the software by following the steps below.
The first thing to do is launch the Logitech Connection Utility software or the Logitech Multi Connect Utility.
- Now, plug in the Logitech Unifying receiver to your PC or laptop.
- You would better remove any extra receiver from the USB port to accomplish the installation process well.
- Continue the process by clicking the [Configure] option. This option detects how many Logitech wireless devices you would pair with the receiver.
- You can select any combination and pair up to six devices. Check and carefully read the on-screen instructions.
- Ensure to follow all the instructions correctly, so you can continue to the next step and use the software.
- Click the [Exit] option once the configuration process is complete. That’s it!
You can start to use the software to connect compatible wireless Logitech devices to your PC or laptop effectively. Clear the receiver and stat from the configuration process when there is a problem. You can also find out the solution from the Logitech contact support if facing technical problems.
How to Reconnect Logitech Multi Connect Utility?
In case you have to reconnect Logitech Multi Connect Utility, you can follow the steps below. It helps you to use the wireless Logitech devices back.
1. Use the SetPoint Package
You will get a Logitech SetPoint package when using the connection utility. On your Windows device, use the SetPoint Logitech Mouse and keyboard software or the Logitech Multi Connect Utility. In case you don’t have it, download the full SetPoint package from Logitech’s official website.
2. Launch the Logitech Connection Utility
Launch the software and click the next button on the welcome page. The tool will tell you to plug in the new receiver. It leads you to the pairing screen. Now, turn off your mouse and turn the mouse back on. That’s it! The mouse or keyboard is now paired with the receiver.
3. Trouble Connecting
There is a case where the software failed to pair the wireless devices. The best alternative is to contact their customer support. Before doing it, you can try to fix the problem by yourself. All you have to do is go back to the welcome screen and click the advanced option. Now, reconnect the Logitech Connection Utility software with the compatible wireless Logitech devices. The devices may work well after applying the trick above.


OutdoorTech Turtle Shell 2.0 Wireless BoomBox
Play high quality audio wirelessly with the Turtle Shell 2.0. This rugged, Bluetooth speaker is the perfect companion for users looking to connect to an audio device without the hassle of wires or cords.
The Turtle Shell BoomBox's A2DP Bluetooth audio playback allows for crystal-clear playback, when connected to any compatible device such as a smartphone, tablet, laptop or music player.
Two speakers and passive bass regulator, provide omni-directional sound at 96 decibels for supreme sound. The Turtle Shell 2.0 also allows for incoming call management with its integrated ‘call-answer’ button and built in microphone.
- Bluetooth 4.0
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- MicroSD port
- 3.5mm audio
- 10m Bluetooth range


This is the ultimate mobile phone repair mat. Protect your desk or bench while using the heat gun or soldering with this awesome mat. This mat will help you keep all the cell phone parts sorted while the device is being repaired – while also protecting your work space.
When repairing any sensitive electronics like mobile phones, computers, stereos and so on – its always a good idea to wear an anti-static (ESD) wrist strap to protect the electronics you are repairing. An anti-static wrist strap will prevent any static electricity from building up and discharging when you touch your item under repair. A great addition to any home or business workshop.
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For those that prefer on-premises solutions, Aruba AirWave is an industry-leading network management platform for Aruba and multi-vendor wired and wireless infrastructure management.
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CableThis original Samsung wall charger provides a reliable and safe charging for your devices. Equipped with fast charging technology, it will recharge the USB-C device's battery from 0 to 50% in just 30 minutes. The charger comes with a 1.5m USB-C type cable, but you can recharge any other USB device using its own charging cable.
- Fast, powerful and compact wall charger, manufactured by Samsung
- Supports adaptable fast charging
- Automatically detects your device and provides optimal power
- Samsung's protection systems guarantee a safe charging for your device
- Included 1.5m USB-C cable is compatible with most compatible devices with C-type
- Devices that do not support a fast charge can be charged at normal speed
- Input power: 100-240V
- Output power: 15W
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The package contains:
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|Tipo||Adaptador de red|


Communication Equipment Industry Overview
The industry Communication Equipment is all about creating devices that help people talk to one another from far away. This includes things like phones, radios, walkie-talkies, and even internet devices like routers and modems. The equipment is designed to make communication easier and more efficient, allowing people to stay in touch no matter where they are. The industry is constantly evolving and coming up with new ways to improve communication technology, which is why we now have things like video conferencing and instant messaging. So, the next time you use your phone or internet to talk with someone far away, you can thank the Communication Equipment industry for making it possible!


For testing purposes I use an old Android 2.3 device that runs an old version of Cyanogenmod. Unfortunately I could not find an option to enable ADB over network in the device’s settings. I am not a fan of plugging in the device every time I would like to debug an application. But, fortunately, there is a way to enable ADB over network via Terminal if your device is rooted:
su setprop service.adb.tcp.port 5555 stop adbd start adbd
Afterwards you can connect as usual by running
adb connect device-ip on your development machine.
To disable ADB over network you can set the TCP port option to
setprop service.adb.tcp.port -1 stop adbd start adbd


The advent legacy ii speakers manufacture the speaker models to outgrow the most expensive speakers. Most people use this kind of speaker due to its high quality and affordable price. The advent legacy ii speakers tend to advance each year in terms of design and performance. The advanced feature withstands high peak power levels.
The advent manufacturers have tried to improve their products to last longer. The newer the product, the longer it lasts. Therefore, it is essential to buy the latest advent legacy ii speaker version rather than the old one.
The information below describes the advent legacy ii speaker, its pros and cons. Also, it provides a guideline to follow when buying the device.
Features and benefits of Advent legacy ii speakers
Sensitivity: The Advent Legacy’s sensibility is 89.5 dB, slightly higher than the actual value. The bass distortion is 1.6 to 3.2 percent from 99.9 Hz to 69.5 Hz when the speaker is driven by a 3-volt signal, rising continuously to a percentage of 3.0 at 49.5 Hz and 39.5 Hz of 6.5 percent when a 3-volt signal drives the speaker.
Size: The Legacy ii speaker is a floor-standing system with dimensions of 28-0.25 inches in height, 16 inches in width, and 9-3/4 inches in depth. It is a two-way device with a sealing enclosure and a 10-inch lengthy speaker. The voice coli of the speaker, which is twisted with a wire made of copper-clad and aluminum and is 1-1/2 inches in length, guarantees that it remains in a homogeneous medium even at a significant volume rate.
Frequency crossover: At 2,500 Hz, the advent ii legacy speaker switches to an inch Ferro fluid-filled. It has a soft dome tweeter. There are no exterior modifications to the level of consistency.
Performance and frequency: the system performs better at a high frequency. The frequency is approximately 41 up to 24,000 HZ. The frequency crossover of the system is 3 DB. Also, the system’s resistance ranges from 6 ohms to 8 ohms and sound pressure of 1 meter with one-watt input.
Power requirements: the system can withstand high power capacity. For instance, the system handles a peak power capacity of 500 watts starting from 100 watts. The ability to withstand high power capacity uniquely identifies it from other speakers though they perform the same function. The system output begins to distort 100HZ frequency and 400 watts, 6 ohms, and at 14 ohms, the system clips.
Durability: the system continuously advances. The new speakers are made of materials that last longer than the old ones.
Factors to consider when buying advent legacy ii speakers
- Capabilities for streaming and connectivity
It is an area where new buyers are frequently perplexed. There are currently several different wireless connection types available. The most common is Bluetooth, supported by most modern devices such as computers, tablets, and cell phones.
WI-FI enables you to connect to any device that is connected to the same Wi-Fi networks. The WI-FI makes it an excellent and dependable alternative for legacy speaker systems that will stay in your home as well as for those who want to stream music from their laptop and mobile device without reducing sound quality.
- Quality of the system sound
Everyone has their preferences and tastes. You may think a specific legacy stereo speaker sounds fantastic, but the person next to you may think the sound quality is mediocre. As a result, it’s more about your preference and how you define optimum sound quality. To decide the sound quality, examine five to six various legacy ii speakers and then assess their sound quality.
You might be interested to read also our another comprehensive review of Advent Prodigy Tower Speaker
Frequently asked questions:
- How do I test the advent legacy ii speaker?
Check to see if the computer’s speaker is correctly configured. These contain both the power and the input cables. Make sure there aren’t any faulty connections anywhere. Then double-check the volume of both the speaker and the volume icon in the system tray. You’ll also need to use the icon to access the volume mixer and make sure your media player is set to the correct volume level.
Check to see if your computer’s Low Volume feature is turned on. This feature can reduce the volume of a speaker by up to a hundred percent. Try triggering the Low Volume function.
Advent legacy ii speakers are essential and have unique features such as the ability to hold a high power supply. When purchasing the system, use the guideline above and consider the critical factors such as the frequency and sound quality.
Finally, take precautions when using the system, such as maintaining the system and checking it frequently. Also, avoid connecting the device with others that use minimum power or the highest power.


Nuvation’s diversely skilled FPGA design team brings broad FPGA development expertise to projects in areas including video, high-speed memory interfaces, PCIe, advanced algorithm development, and embedded software services. As a turnkey product design firm we design custom FPGA boards and also integrate our FPGA designs with existing client hardware.
Partnered for Success
As members of the Intel Programmable Solutions Group and the Xilinx Alliance Program, our engineering teams have access to comprehensive technical support directly from these top FPGA companies. Our partnerships allow us exclusive access to new devices, enabling us to deliver the highest quality FPGA solutions for advanced technology.
FPGA Design Services
- Feasibility studies for cutting-edge applications
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- System testing and verification, including test bench development, RTL verification and post-synthesis simulation.
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FPGA Design Expertise
High-speed communication protocols and interfaces, e.g. PCIe Gen 1/2/3, GbE, Fibre Channel, HDMI, SATA, XAUI, RapidIO, InfiniBand, SerialLite, HD-SDI)
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A complete mobile office has been made possible with the help of wireless keyboard technology. Now built-in keypads which are inept and Bunky in size & space, have almost started to vanish off the market as on today’s portable computing devices with sleek and slim wireless keyboards are trendy and need of the hour. When you need to input a substantial amount of data away from your desk the wireless keyboards are best and up to the task – without even compromising speed, comfort or style. An essential interface of your desktop or laptop with a large screen TV or a projection system is stylishly possible with a wireless multimedia keyboard. A quality and smart wireless keyboard will not only supercharge your reputation as a buff of fine electronic equipment but also improves work efficiency and enhances productivity.
Despite the fact that the wireless keyboard has recently been undergoing a dynamic design shift towards a compact or so called “mini” wireless model to adapt integration with Smartphones and tablets, we will focus on full-size wireless keyboards for the sake of the review. The reason being that full size wireless keyboards offers desktop and laptop users the standardized layout to which general public is used to plus some attractive extras added on. While purchasing a wireless keyboard both personal style and technical needs must be given consideration and following key features and design elements should be taken care of.
Several models employ a device-networking receiver to furnish the flexibility of matching and mixing your wireless keyboard with other wireless devices. Amazingly, only one receiver can work with up to six compatible wireless devices thus freeing up USB ports on your PC. The wireless keyboard simply requires an initial synchronization with your computer once the receiver is plugged in. The wireless keyboard is therefore a virtual plug and play device.
Ergonomic design adjustable keyboard are best suited for persons who are likely to put numerous hours of non stop typing. If you work at the computer all day, look for an adjustable keyboard that has an ergonomic design and palm rest to help keep away stress and strain on your hands and wrists. Keyboard with the light touch and fast response time that is characteristic of scissor-switch keys should be your top priority when purchasing one.
Having and using an easy-to-connect, with reliable wireless connectivity can liberate and enhance your at-work style. It will certainly ordinate with your on-the-go mobile lifestyle. As there are several wireless keyboards available on the market, each with a different blend of characteristics and design elements, finding one that suffices your needs can be a hard job.
The Microsoft Wireless Keyboard 2000 keyboard holds its own when compared to other wireless keyboards in our lineup of best wireless computer keyboards. Upon purchasing this keyboard, you get instant setup, comfortable typing, freedom to roam, and access to your favorite applications with the push of a button. Its many features can help you get your work done faster and make your play last longer.


© 2022 Headsets India. All Rights Reserved.
Peak output power: 10 watt
Microphone type: Omni-directional
Signal to noise ratio (SNR): +70 dB
Regulatory Approvals: CE, FCC, IC, EAC, RRC, CCC, RCM, KCC, TELEC, iDA, NCC, RoHS, REACH, ETA, SIRIM, SDPPI, RCM, NTC Industrial Certifications: Bluetooth 4.1, Skype for Business, Cisco, Avaya, Mitel, Alcatel, UnifyConnectivity
Connectivity: USB 2.0 & Bluetooth USB cord ~ 100cm
Bluetooth standard: Bluetooth 4.2 Bluetooth Low Energy (BTLE)
Bluetooth Core: Class 1, Version 4.0, HFP 1.6, HSP 1.2, A2DP
Wireless range: Up to 30 m
Supported Bluetooth profiles: Headset profile v1.2 , hands free profile v1.6, A2DP v1.2, AVRCP v1.5
Talk-time: Up to 15 hours
PC USB Bluetooth dongle (Jabra Link 370): USB BT audio device/HID dongle. Bluetooth: 4.2 Bluetooth Low Energy (BTLE)
Charging power & time: USB 5V / 500 mA charging time 3h
Speakerphone weight: 298 g / 10.51 oz.
Whats in the box:
Jabra Speak 710, Jabra Link 370, USB adapter, Quick Start Guide, Neoprene pouch, Warranty leaflet
Only logged in customers who have purchased this product may leave a review.
There are no inquiries yet.


Worried about phone radiation? Neutralize noxious Electromagnetic Fields (EMF) emitted from your mobile phone, laptop, and all portable devices with the Mobile Phone Radiation Harmonizer.
Is radiation from mobile phones harmful? All mobile phones and Wi-Fi-enabled devices radiate a dangerous EMF field which is potentially harmful to its users and those surrounding the devices. Mobile phones risk EMF stress in the body as soon as someone touches them or is around them. This includes babies, children, teenagers, and adults.Your phone can also emit dangerous phone radiation while in use or even when placed in a pocket or handbag.
This results in EMF stress on the body, adversely affecting your organs' vital life energy and meridian channels.Noxious energy released from prolonged use of mobile phones may cause 'Hot Head Syndrome.' So if you feel sick, dizzy, or get a hot head while using your mobile phone, your body may be under EMF stress.
How Orgone Effects® Mobile Phone Radiation Harmonizer worksMade from Orgone Effects® exclusive Orgonium® process, the Mobile Phone Radiation Harmonizer creates a healthy negative charge energy field that neutralizes the harmful positive charge energy field emitted from mobile phones, laptops, Bluetooth headphones, and other Wi-Fi-enabled devices.
The harmonizer has been field tested and proven for effectiveness and is well-respected by Accredited Kinesiologists, Bioresonance practitioners, Naturopaths, and Chiropractors worldwide. Its strong capabilities protect you and your loved ones from harmful mobile and Wi-Fi EMF radiation.
- Can be placed between the protective cover and the back of the phone for easy removal
- Harmonizing ability that will last a lifetime
- Created with over 20 years of Intuitive Building Biology Consultancy experience
- Clinically tested and proven for effectiveness by Accredited health professionals worldwide
- Made from Orgone Effects® exclusive Orgonium® process
- Durable and works on any mobile phone or portable wireless device


RG-6 CCTV CABLE
The RCA VHB655X RG6 Digital Coaxial Cable is a perfect companion for the digital components of your TV. The Black Coaxial Cable features gold plated F connectors for easy connectivity to your digital components. Both the audio and video signals are carried by this F Connector Coaxial Cable. The 50-foot cable allows for flexible placement of the components. Video transmission to the TV is excellent with this RG6 75 Ohm Coaxial Cable, which connects the 75 ohm coaxial output from an antenna, VCR, cable TV, satellite receiver to the 75 ohm coaxial output of TV or VCR. The quality of the picture on your TV improves with the use of this cable so you can enjoy uninterrupted entertainment at home with outstanding audio and video signals.
RCA VHB655X RG6 Digital Coaxial Cable:
- • Connects the 75 ohm coaxial output from an antenna, cable TV, VCR, satellite receiver to the 75 ohm coaxial input of TV or VCR
- • Carries both audio and video signals
- • Ideal for digital components such as satellite receivers or digital cable TV
- • Length: 50'


Google Jobs 2023:
Google is Organizing Off Campus Drive For Fresher Candidates. This Google Jobs For Position Of Tele Counselor. If You Are Interested, Kindly Apply As Soon As Possible. The Detailed Eligibility And Application Process Are Given In Below.
|Post Name||Network Engineer, Corporate Network Deployments|
|Salary||Best In Industry|
|Experience||(0 – 2 Years)|
|Batch||2020, 21, 22|
|Apply Link||Scroll Bellow|
Job Responsibilities or Description:
Ensure delivery of multi-vendor networks across various platforms and technologies. Collaborate with other engineers and project managers to design, build, and turnover successful deployments to operations.
Troubleshoot issues within the global network. Drive resolution of escalated network issues, perform fault isolation and trouble resolution on network protocols, technologies, hardware, software, and circuits.
Provide technical leadership for complex projects to increase stability, enhance scalability, efficiency, and quality of network deployments. Scale network deployments sustainably through tools and automation.
Review deployed technologies, performance, capacity Service Level Agreements (SLAs) from a strategic point of view, and provide recommendations that spawn new projects for the team.
Partner with the Engineering team to provide lifecycle management of network designs, software selections, validations, and rollouts. Drive strategy for larger and/or complex deployments.
Bachelor’s degree in Network Engineering, Computer Science, Computer Engineering, or equivalent practical experience.
Experience in fundamental networking technologies and protocols (e.g., ARP, Ethernet, DHCP, IPSec, GRE, WiFi standards, routing protocols, DNS, RADIUS, 802.1x).
Experience with C, C++, Go, or Python.
Application Process for Google Off Campus Hiring
Step 1. Click On Apply Link
Step 2. Register And Apply For The Google Off Campus Hiring Process
Apply Link: Click Here


CardBus and PCMCIA card tester.... and accessories
PCICBI is a PCI to
Cardbus Interface Board. The PCICBI allows the 32 bit Cardbus and 16 bit PCMCIA
cards to be used in desk top computer systems. The PCICBI has the form factor
of a short 32 bit PCI adapter board. It supports two ports, one that faces the
back of the chassis and another that can be mounted at the front, back or on top
through a flex cable. The controller on board is intelligent enough to
automatically identify the proper type of PC cards that are inserted into the
ports and output the proper voltage to the cards under test. The ports are
over-current and over-voltage protected. Therefore, the PCICBI board is very
useful for many engineering and production applications where voltage margin and
current measurement are necessary. The PCICBI is made in USA with one year
warranty. The dimension is 4.00"H X 5.5"L . PCICBI
CBEXT04-S is a CardBus / PCMCIA wearout connector header assembly. It is designed to be connected at the ends of the flex cables used in the PCICBI flex cable assembly CBFLEX02. It can be easily disconnected and replaced when the header connector pins are worn out. The connector header in this assembly is a short header without ejector.
CBEXT04-LE is a CardBus / PCMCIA wearout connector header assembly. It is designed to be connected at the ends of the flex cables used in the PCICBI flex cable assembly CBFLEX02. It can be easily disconnected and replaced when the header connector pins are worn out. The connector header in this assembly is a long header with ejector.
CBFLEX02 is a flex cable that connects the PCICBI main board to the replaceable header assembly CBEXT04. The standard length is 4 inches.
CBISAIRQ is a PCICBI to ISA interrupt interface board. A ribbon cable is used to connect between the PCICBI and this board, which plugs into a ISA expansion slot. Additional PCICBI interrupts are carried over to the IRQs in the ISA system. Each IRQ is pre-assigned to a particular ISA IRQ. Each IRQ can be jumper enabled or disabled.
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Inc. 3 Watson, Irvine, CA 92618, USA. (T) 949-597-1772; (F) 949-597-1729
Email: firstname.lastname@example.org; Website: http://www.adexelec.com


People don’t want to give their private phone number in lots of situations. We allow them to create temporary phone numbers to give out in those situations.
A mobile app that allows a user to
– request additional phone numbers (and release them when no longer needed)
– manage rules of when to allow calls on these numbers and when they should be redirected to your private number
– make calls with one of the requested phone numbers
Medical doctors / Psychotherapists / Lawyers / People involved in transactions – e.g. selling/buying stuff on websites like okazii.ro, old.ro, etc.
We add functionality to create simple rules for forwarding calls to your “public” numbers to your private number: e.g. Do not receive calls outside working hours.


This is how I used a DVB-T+DVB+FM dongle to scan for various things in my neighborhood.
Table of contents
- 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
sudo apt-get update sudo apt-get install rtl-sdr sudo apt-get install libusb-1.0-0-dev git cmake git clone git://git.osmocom.org/rtl-sdr.git cd rtl-sdr/ mkdir build cd build cmake ../ -DINSTALL_UDEV_RULES=ON make sudo make install sudo cp ../rtl-sdr.rules /etc/udev/rules.d/ sudo ldconfig
echo 'blacklist dvb_usb_rtl28xxu' | sudo tee --append /etc/modprobe.d/blacklist-dvb_usb_rtl28xxu.conf
IMEI (International Mobile Equipment Identity) number of a mobile phone is a 15 digit number unique to a mobile handset. Just key in #*06# on your mobile phone and it will display its IMEI number (on most phones). IMEI numbers of cellular phones connected to a GSM network are stored in a database (EIR - Equipment Identity Register) containing all valid mobile phone equipment. When a phone is reported stolen or is not type approved, the number is marked invalid.
ICCID (Integrated Circuit Card Identifier) identifies each SIM internationally. It is inscribed on the back of the SIM Card. A full ICCID is 19 or 20 characters. ICCID can be thought of as the serial number of the SIM Card. It is also concidered as Issuers Identification Number. In layman’s terms, it is sim cards ID number.
MEID (Mobile Equipment Identifier) is also commonly known as an Electric Serial Number (ESN). MEID is a unique 14-digit number that is a unique identifier of a specific cell phone. For easy remembering, a phone’s IMEI number minus the last digit if it has both. Any phones that use the Code Division Multiple Access (CDMA) system and have a supported cellular network plan have an MEID number.
IMSI (International Mobile Subscriber Identity) is a unique number, usually fifteen digits, associated with Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users. The IMSI is a unique number identifying a GSM subscriber. This number has two parts. The initial part is comprised of six digits in the North American standard and five digits in the European standard. It identifies the GSM operator in a specific country with whom the subscriber holds an account. The second part is allocated by the network operator to uniquely identify the subscriber. It has the format MCC-MNC-MSIN. MCC = Mobile Country Code; MNC = Mobile Network Code; MSIN = sequential serial number.
The IMSI is stored in the Subscriber Identidy Module (SIM) inside the phone and is sent by the phone to the appropriate network. The IMSI is used to aquire the details of the mobile in the Home Location Register (HLR) or the Visitor Location Register (VLR). A mobile user’s POTS number (phone number) is associated with their device using the IMSI.
To prevent the subscriber from being identified and tracked by eavesdroppers on a radio interface, the IMSI is rarely transmitted. A randomly generated temporary mobile subscriber identity (TMSI) is sent instead of the IMSI, to ensure that the identity of the mobile subscriber remains confidential and eliminate the need to transfer it in an undeciphered fashion over radio links.
The IMSI is stored as a 64-bit field in the phone’s SIM. IMSI is associated with a mobile network interconnecting with other networks, especially CDMA, GSM and EVDO networks. The number is directly provisioned in the phone or in the R-UIM card.
The three components within IMSI are mobile country code, mobile network code and mobile subscriber identification number. The mobile country code of IMSI has a similar meaning and format to the location area identifier. The mobile network code has the same format and meaning as the location area identifier and is assigned by the government of each country. The mobile subscriber identification number identifies the mobile subscriber and is assigned by the operator.
When mobile stations are powered on, they perform a location update procedure by indicating their IMSI to the network. The first location update procedure is referred to as the IMSI attach procedure. The mobile station also performs location updating to indicate the current location when it moves to a new location area. The location updating message is sent to the new VLR, giving the location information to the subscriber’s HLR. Location updating is periodically performed. The mobile station is not deregistered if after the updating time period the mobile station is not registered. The IMSI detach procedure is performed when a mobile station is powered off to inform the network that it is no longer connected.
On your iPhone, make a call to *#06#, a message should appear with your IMSI number. 888421023563517


A commercial customer of ours contacted us about installing a security camera system that would cover the 5-building campus. There were no existing cameras on-site and wiring was nonexistent. From our available product lines, we chose to use Mobotix for our installation. Mobotix cameras do not require a centralized NVR to operate and can support onboard storage up to 200GB via onboard MicroSD card slot. During the day, the cameras record to the internal SD card. After hours, the cameras push the recorded data of that day out to an onsite NAS device. This allows for the deployment of the new camera system on the existing data network, requiring minimal bandwidth usage during business hours. The hemispheric lenses on the cameras allow us to monitor a very large footprint with 100% coverage, alleviating the need to have a guard monitor the system. Cameras equipped with polarized lenses that allow us to capture license plates, DOT numbers, and face shots through windshields (even on sunny days) cover the entrances to the facility.


Brand Name: Lenovo
Model No.: K3
Input Power(W): ＜25W
Bluethooth Version: 5.0
Product Size: 80*80*63mm
1.Metal composite diaphragm, shocking HIFI-level sound quality.
2.Upgrade to Bluetooth 5.0, low power consumption and more stable signal, all devices with Bluetooth function can be used.
3.Long battery life, 1200mAh large battery, charging for 3 hours, listening to music for 6 hours.
4.High-definition hands-free call, built-in high-definition microphone, clear and bright voice.
5.The buttons are easy to operate, the silicone buttons are simple and comfortable, and the response is sensitive.
6.Support TWS network interconnection, enjoy stereo surround sound.


Our commercial electricians are fully equipped to set up your physical or wireless network devices, install your phone lines, install additional power and telephone points and get your business online(where let’s face it, it needs to be!)
We pride ourselves on installing cabling in accordance with our client’s individual requirements. We ensure we fully understand the customers’ needs and construct a plan that covers all the necessities.
High Quality Cabling
At PMEC we use high quality cabling to ensure that your Internet service is provided to you to the best of its ability, and won’t slow down or drop out due to old or cheap cabling.
We will provide an ordered and organized cabling system that isn’t muddled and confusing, and won’t make your space look cluttered. Our system will be so neatly labeled that you can recognize, rearrange ormovethe cabling without complication, if you so choose.
PMEC will locate points and sockets in specific places that work for your space and make sure all cabling pathways are orderly and covered.
Data Port Installation & Checking
We can check your sockets and whether or not each port is transmitting data at your maximum speed to ensure that your computers and Internet connections are working to their full potential.
This may all seem a little complex, don’t worry it is. But that is why you can trust that P-MEC Electrical will take care of all the difficulties for you. Leave us to do what we do best, so you can get on with what YOU do best.


1 of a circuit or device that represents magnitudes in digits; "digital computer" [ant: analogue]
2 displaying numbers rather than scale positions; "digital clock"; "digital readout"
3 relating to or performed with the fingers; "digital examination"
EtymologyFrom digitalis, from digitus
- /ˈdɪʤətl/, /"dIdZ@tl/
having to do or performed with a finger
representing discrete values
of or relating to computers
- SAMPA: /di.Zi.tal/
Usage notesdigital is occasionally used in French to describe display devices such as TV screens. Its use for other purposes is often criticised, because this use derives from English, and because digital more commonly has the first meaning above.
A digital system uses discrete (that is, discontinuous) values to represent information for input, processing, transmission, storage, etc. By contrast, non-digital (or analog) systems use a continuous range of values to represent information. Although digital representations are discrete, the information represented can be either discrete, such as numbers, letters or icons, or continuous, such as sounds, images, and other measurements of continuous systems.
The word digital comes from the same source as the word digit and digitus (the Latin word for finger), as fingers are used for discrete counting.
The word digital is most commonly used in computing and electronics, especially where real-world information is converted to binary numeric form as in digital audio and digital photography. Such data-carrying signals carry electronic or optical pulses, the amplitude of each of which represents a logical 1 (pulse present and/or high) or a logical 0 (pulse absent and/or low).
When data are transmitted, or indeed handled at all, a certain amount of noise enters into the signal. Noise can have several causes: data transmitted wirelessly, such as by radio, may be received inaccurately, suffer interference from other wireless sources, or pick up background noise from the rest of the universe. Microphones pick up both the intended signal as well as background noise without discriminating between signal and noise, so when audio is encoded digitally, it typically already includes noise. ELO. Electric pulses transmitted via wires are typically attenuated by the resistance of the wire, and changed by its capacitance or inductance. Temperature variations can increase or reduce these effects. While digital transmissions are also degraded, slight variations do not matter since they are ignored when the signal is received. With an analog signal, variances cannot be distinguished from the signal and so provide a kind of distortion. In a digital signal, similar variances will not matter, as any signal close enough to a particular value will be interpreted as that value. Care must be taken to avoid noise and distortion when connecting digital and analog systems, but more when using analog systems.
Symbol to digital conversion
Since symbols (e.g., alphanumeric characters) are not continuous, converting symbols to digital form is rather simpler and less prone to data loss than analog to digital conversion. Instead of sampling and quantization as in D/A (digital-to-analog) conversion, such techniques as polling and encoding are used.
A symbol input device usually consists of a number of switches that are polled at regular intervals to see which switches are pressed. Data will be lost if, within a single polling interval, two switches are pressed, or a switch is pressed, released, and pressed again. This polling can be done by a specialized processor in the device to prevent burdening the main CPU. When a new symbol has been entered, the device typically sends an interrupt to alert the CPU to read it.
For devices with only a few switches (such as the buttons on a joystick), the status of each can be encoded as bits (usually 0 for released and 1 for pressed) in a single word. This is useful when combinations of key presses are meaningful, and is sometimes used for passing the status of modifier keys on a keyboard (such as shift and control). But it does not scale to support more keys than the number of bits in a single byte or word.
Devices with many switches (such as a computer keyboard) usually arrange these switches in a scan matrix, with the individual switches on the intersections of x and y lines. When a switch is pressed, it connects the corresponding x and y lines together. Polling (often called scanning in this case) is done by activating each x line in sequence and detecting which y lines then have a signal, thus which keys are pressed. When the keyboard processor detects that a key has changed state, it sends a signal to the CPU indicating the scan code of the key and its new state. The symbol is then encoded, or converted into a number, based on the status of modifier keys and the desired character encoding.
A custom encoding can be used for a specific application with no loss of data. However, using a standard encoding such as ASCII is problematic if a symbol such as 'ß' needs to be converted but is not in the standard.
Historical digital systems
Although digital signals are generally associated with the binary electronic digital systems used in modern electronics and computing, digital systems are actually ancient, and need not be binary nor electronic.
- An abacus was created sometime between 1,000 BC and 500 BC , it later become a form of calculation frequency, nowadays it can be used as a very advanced, yet basic digital calculator that uses beads on rows to represent numbers. Beads only have meaning in discrete up and down states, not in analog in-between states.
- A beacon is perhaps the simplest non-electronic digital signal, with just two states (on and off). In particular, smoke signals are one of the oldest examples of a digital signal, where an analog "carrier" (smoke) is modulated with a blanket to generate a digital signal (puffs) that conveys information.
- DNA comprises a long sequence of four digits (denoted A, C, G, and T), effectively a base-four numeral system. Each of these digits is an organic molecule, known as a nucleotide. DNA is the major system of information transfer from one biological generation to another.
- Morse code uses six digital states—dot, dash, intra-character gap (between each dot or dash), short gap (between each letter), medium gap (between words), and long gap (between sentences)—to send messages via a variety of potential carriers such as electricity or light, for example using an electrical telegraph or a flashing light.
- The Braille system was the first binary format for character encoding, using a six-bit code rendered as dot patterns.
- Flag semaphore uses rods or flags held in particular positions to send messages to the receiver watching them some distance away.
- International maritime signal flags have distinctive markings that represent letters of the alphabet to allow ships to send messages to each other.
- More recently invented, a modem modulates an analog "carrier" signal (such as sound) to encode binary electrical digital information, as a series of binary digital sound pulses. A slightly earlier, surprisingly reliable version of the same concept was to bundle a sequence of audio digital "signal" and "no signal" information (i.e. "sound" and "silence") on magnetic cassette tape for use with early home computers.
digital in Arabic: نظام رقمي
digital in Catalan: Sistema digital
digital in Czech: Digitální
digital in Spanish: Sistema digital
digital in Esperanto: Cifereca
digital in French: Numérique
digital in Galician: Sistema dixital
digital in Korean: 디지털
digital in Croatian: Digitalizacija
digital in Indonesian: Digital
digital in Italian: Digitale (informatica)
digital in Hebrew: דיגיטלי/אנלוגי
digital in Hungarian: Digitális
digital in Dutch: Digitaal
digital in Japanese: デジタル
digital in Norwegian: Digital informasjon
digital in Norwegian Nynorsk: Digital
digital in Russian: Цифровой
digital in Slovak: Číslicovosť (opak analógovosti)
digital in Finnish: Digitaalisuus
digital in Swedish: Digital
digital in Thai: ดิจิทัล
digital in Vietnamese: Kỹ thuật số
digital in Chinese: 數碼
algorismic, algorithmic, aliquot, cardinal, clawed, decimal, dentate, differential, digitate, digitated, even, exponential, fanged, figural, figurate, figurative, fingered, finite, fractional, imaginary, impair, impossible, infinite, integral, irrational, jawed, logarithmic, logometric, negative, numeral, numerary, numerative, numeric, odd, ordinal, pair, positive, possible, prehensile, prime, radical, raptorial, rational, real, reciprocal, submultiple, surd, taloned, toothed, transcendental


One-way HDMI2.0 interface video signal acquisition
Supports up and down, left and right mirror acquisition
Support trigger collection
Can capture HDMI and DP video signals
• One-way HDMI2.0 interface video signal acquisition
• Support scaling
• Supports up and down, left and right mirror acquisition
• Support trigger collection
• Can capture HDMI and DP video signals
Platform: Provide drivers, development libraries and demonstration programs.
Secondary development: Support for development languages such as VC, VB, Delphi, C++Builder,
LABVIEW, MATLAB, etc.
It is suitable for high-precision, high-resolution image processing and streaming media, as well as research and engineering applications in multimedia compression and processing.
Acquisition signal type
Support video format
MAX point freq.


Erscheinungsdatum: 28.02.2018, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Allocation de Ressources Radios Pour Les Services Paquets 3g, Autor: Enderle-N, Verlag: ED UNIVERSITAIRES EUROPEENNES, Imprint: Omn.Univ.Europ., Sprache: Französisch, Schlagworte: COMPUTERS // Communications // Networking // General // LITERARY CRITICISM // Literatur: Geschichte und Kritik, Rubrik: Datenkommunikation // Netze, Mailboxen, Seiten: 184, Reihe: Omn.Univ.Europ, Gewicht: 292 gr, Verkäufer: averdo
Erscheinungsdatum: 23.06.2013, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Adaptive FLS for Bandwidth Analysis & Allocation for Cognitive Radios, Titelzusatz: A Novel Approach of Spectrum Management, Autor: Sherwani, Nazia // Khan, M. Saleem, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Schlagworte: Computernetzwerke und maschinelle Kommunikation, Rubrik: Datenkommunikation // Netze, Mailboxen, Seiten: 116, Informationen: Paperback, Gewicht: 189 gr, Verkäufer: averdo
Adaptive FLS for Bandwidth Analysis & Allocation for Cognitive Radios ab 49.99 € als Taschenbuch: A Novel Approach of Spectrum Management. Aus dem Bereich: Bücher, English, International, Gebundene Ausgaben,
It is our great pleasure to present the proceedings of the Third International Workshop on Multiple Access Communications (MACOM) that was held in Barcelona during September 13-14, 2010. In 1961, Claude Shannon established the foundation for the discipline now known as "multi-user information theory" in his pioneering paper "Two-way Communication Channels," and later Norman Abramson published his paper "The Aloha System-Another Alternative for Computer Communications" in 1970 which introduced the concept of multiple access using a shared common channel. Thereafter, for more than 40 years of study, numerous elegant theories and algorithms have been developed for multiple-access communications. During the 1980s and 1990s the evolution of multiple-access techniques p- ceeded in conjunction with the evolution of wireless networks. Novel multiple access techniques like code division multiple access (CDMA) and orthogonal frequency division multiple access (OFDMA) provided increased spectral - ?ciency, dynamicity and ?exibility in radio resource allocation with intrinsic anti-multipath and anti-interference features. In this ?rst decade of the 21st century,multiple-accesstechniques,derivedfromadvancedwirelesstransmission methodologiesbasedonthediversityconcept(e. g. ,MC-CDMA,MIMO-OFDMA and SC-FDMA), opened the road to a renewed idea of multiple access. Today multiple-access communications involve many challenging aspects not only l- ited (like in the past) to physical layer design. Medium access control (MAC) techniques play a crucial role in managing the radio resources that users will exploit to transmit their data streams. Recent developments in software radios and cognitive radios have led to a signi?cant impact also on spectrum m- agement and access paradigms.
One of the important point in cognitive radios is how those radios are going to be managed either externally or internally. Here is the solution one of the primary technique of spectrum allocation are used and implemented by MATLAB code simulation with full code details inside this thesis. In addition there is a proof of the FCC results about primary users usage of the spectrum which is 70% of the spectrum are unused, so for maximum utilization we are developed a management technique that can increase the utilization of the spectrum.
Cognitive radio (CR) is a kind of wireless communication wherein a transceiver can intelligently sense the vacant and occupied communication channels and promptly move into vacant channels while staving off occupied ones. This enables the optimum use of available Radio-Frequency (RF) spectrum whereas avoiding the interference to other users. Cognitive radio is a key technology that came up with the solution of the problem of underutilization of radio frequency. To explore the capabilities and benefits of CR in better way, researchers now a days are interested in adaptive control paradigms such as fuzzy logic, artificial neural networks, neuro-fuzzy approach etc. The work presented in this book mainly composed of the analysis of available frequency and its allocation to the Secondary Users (SUs) / CRs by using fuzzy logic. A new approach of Spectrum management is introduced in it by resolving the issue regarding the allocation of bandwidth to the appropriate secondary user or the cognitive radio which can use the frequency band for its transmission.
Cognitive radio has been found to be the technology to satisfy the huge demand for applications of high data rates that increase the number of users in wireless networks. Cognitive radio is a very interdisciplinary topic as it includes dynamic spectrum access and policies, flexible system architectures, learning, context awareness and cooperative networking. However, most of the current cognitive radio work targets spectrum sensing and spectrum allocation without considering the impact of optimization on the performance of the network. Mitola's vision intended to build context-sensitive smart radios that are able to adapt to the wireless environment conditions while maintaining quality of service support for different applications. In this book, we study cognitive radio from a system point of view focusing closely on architectures, techniques and algorithms that can enable intelligent operations for spectrum allocation and radio reconfiguration optimization. A modular cognitive resource management framework is investigated, which facilitate a development of flexible control and optimization techniques for resources management in wireless networks on diverse radio environments.
Multicarrier communication methods such as Orthogonal Frequency Division Multiplexing (OFDM) and Filter Bank Multicarrier (FBMC) permit the implementation of dynamic spectrum access thanks to their ability to finely control signal transmission over specific frequency subbands. Therefore, multicarrier methods are strong candidates for the physical layer of spectrum sharing applications and cognitive radios. This dissertation explores methods for spectrum awareness and opportunistic access of multicarrier radios based on the allocation of subcarriers in blank spectral spaces. Following a theoretical description, a physical layer hardware design based on FPGA is presented, including the description of a working prototype with solutions to the tasks of spectrum sensing, frame detection, synchronization, channel estimation, demodulation, and mutual interference mitigation.


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Routing NetBIOS from a LAN with fixed firewall-concealed public IP addresses to a LAN with fixed private IP addresses using IP masquerading (Network Address Translation, NAT) and a public static router address.
Rev: 01 Nov 2004.
NetBIOS is enough to make admirers of Microsoft grimace. It is a twisted version of the Net, where DNS (Domain Name Server) becomes WINS and HOSTS becomes LMHOSTS. Long ago (1983) it was born as a network protocol for the very early IBM PC networks; then it required custom hardware. It mutated into LAN Manager (then OS/2 then Warp then nothing) and Windows for Workgroups NetBEUI. (see also: Microsoft's explanation of NetBIOS)
Finally the network layers were gutted, the naming services and application interfaces preserved, a terrible surgery performed, and 'NetBIOS over TCP/IP' was born. This is what many of us live with now.
It is not a pretty synthesis. DNS, WINS, HOSTS, LMHOSTS, PNC (primary network controller), domains, workgroups, TCP caching, Browse-Master, ports and routers, Win32 variations, and scopes all interact with one another. The usual symptom of a royal mess is that it's possible to access servers using UNC (enter \\name in the Run box for example), but impossible to browse a network using network neighborhood:
Unable to browse the network. The network is not accessible. For more information, look in the Help Index at the topic 'Network Troubleshooter'.
In the words of Eric Hall:
These systems [NT networking, Win9x] are just two members of a rather large family that also includes Microsoft Windows for Workgroups, Microsoft LAN Manager for OS/2, IBM LAN Server, Digital Equipment Corp.'s PathWorks for VMS, a variety of freeware ports of SAMBA, and LAN Manager for Unix (available from Hewlett-Packard Co., NCR Corp., The Santa Cruz Operation and others). Even Novell has an offering that enables NetWare servers to interact with these LAN Manager-based workgroup products.
The core technologies that tie together these systems are Server Message Blocks (SMBs) and NetBIOS-over-TCP/IP (NBT). The SMB protocols performing the file- and printer-sharing dirty work are invisible to end users, since the networking drivers handle the intersystem communications. However, NBT is visible to end users, mostly because it doesn't work well in non-local, non-broadcast environments.
I spent about 10 hours slogging away on a problem I had, and I reviewed about 60 documents from Microsoft, Deja.com (newsgroups) and a text. After figuring out what was wrong, I My Problem, below. However, I did dredge up a LOT of resouces that others may benefit from. In the interests of sharing, they are sorted in the Resources section.
After much struggle, the problem turns out to be reasonably straightforward. NetBIOS does not readily route, it's really a LAN only solution, preferably small LANs. (NT 5 is supposed to be gutting NetBIOS). Higher end routers can make NetBIOS behave, but the home router provided by my DSL vendor (Cisco 675) does not.
If you connect to the Internet with a bridged configuration (many cable modems, some DSL), so that all machines that are connected to the net are guaranteed to have public valid IP addresses (forget security issues here), then NetBIOS can work ok (assuming you take care of workgroup permissions and the like).
However, if you connect with a true routed configuration, as is common with newer DSL and cable modems, your router is often providing internal IP addresses to LAN workstations (typically via DHCP from the 10.0.0.x domain). These addresses are not valid outside of your LAN. The router itself has a valid public (WAN, Internet) external IP address, and (usually) 10.0.0.1 for an internal (LAN) address.
The router will take care of swapping out your LAN IP addresses and substituting its own IP address as your packets leave your LAN (it reverses the process for incoming packets). HOWEVER, Cisco's CBOS (low end) routers can't work this magic with NetBIOS packets! Surprisingly, this seems to mostly break LAN browsing. It's still possible to access servers using "universal names" (such as \\myserver). If you've setup your LMHOSTS file correctly with the IP address of your WINS server, applications like Outlook/Exchange can continue to work. (See The NetBIOS forwarder - Background for a full explanation).
Other than investing in a better router (see Network Address Translation and Cisco references) there is no ready solution to this problem. VPN solutions, such as SecureRemote, seem to require use of a public-space IP address for the client. Any Cisco router with a part number > = 1000 (plus the 80x's) runs IOS (not CBOS as in the Cisco 675) with some NetBIOS routing. Anything below doesn't. Cisco claims IOS route NetBIOS over TCP/IP ("datagram and name services only, session service support coming soon").
If you're very brave, check out The NetBIOS forwarder.
Netstat -a will list ports in use
In addition to these web resources, the Windows 95 CD-ROM contains a secret help file call "Win95rk.hlp". It's the Windows 95 Resource Toolkit. Hidden away are many descriptions of NetBIOS, and descriptions of little known network utilities installed with Win95. Search for NBTSTAT and then page around that area. Key references are bold, one is even bold and enlarged!
Q172227 - Network Address Translators (NATs) Can Block Netlogon Traffic (discusses use of NetBIOS datagrams, where IP translation would need to occur)
Browsing and Troubleshooting NetBIOS
|Cannot Log On to
Windows NT Domain with DNS Name Resolution Only
Steve Gibson on NetBIOS (short and clear)


The "64" Site Exposed
146.640 repeater sits atop Wolfe Mountain approximately where the Appalachian
Trail crosses Pa. Rt. 645. The site is 1220 feet above sea level and the tower
is 150 feet tall. The "64" antenna is at the 120 foot level on the tower.
The transmitter has a 100 watt amplifier. There is a bank of batteries that
can supply power to the repeater for a few days of normal operation in the
event of a power outage. The "64" repeater also has a phone patch available
for use by members.
The 145.170 repeater is also housed in the same building. The coverage
of the "17" machine is not as great as the "64" machine, the antenna is
much lower on the tower. On the plus side, the "17" machine has a full time
10 Meter link. The 10 Meter receive antenna is at this site. The 10 Meter
transmitter and antenna are at a remote location, in Palmyra, Pa.
at this time. The frequencies for the 10 Meter side of the repeater are............
29.550 Input (FM of course)
Aerial photo (USGS) of the "64" site
Map of repeater location


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Better all-around Solution
Why do we use Beacons?
Simple, Yet Sophisticated
ACCURATE AND PRECISE. Beacons are more precise than GPS and geo-fence software, providing location accuracy down to a few meters instead of several hundred feet.
COST EFFECTIVE. Beacons are cheaper than GPS or geo-fencing solutions because they don’t require additional infrastructure or specialized hardware like satellite dishes.
EASY TO ONBOARD. Beacons are easy to deploy and manage; they don’t require any complicated setup processes and can usually just be plugged in and left alone to do their job without needing any further maintenance after that initial installation step.
EASY TO MANAGE. Beacon networks offer scalability advantages over traditional GPS solutions since additional sensors can easily be added as needed without having to worry about compatibility issues with existing hardware or software platforms used by the company


The program is for experienced traders and for those who want to receive daily professional stock market analysis from our experts.
You can use our analytics for training (transfer the markups to your workspace), for trading and investing (if you already know how to trade at least at zero).
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FB refers to the ticker symbol for Meta Platforms, Inc., which builds technology that helps people connect and share information through mobile devices and personal computers. The company’s products include Facebook, Instagram (Instagram), WhatsApp Messenger and the Oculus marketplace. Facebook allows people to connect, share information, and communicate with each other on mobile devices and personal computers. Instagram allows people to take photos or videos, customize them with filter effects, and share them with friends and followers in the photo feed or send them directly to friends. The messenger allows you to communicate with both people and companies on various platforms and devices. WhatsApp Messenger is a messaging app used by people around the world and available on a variety of mobile platforms. Virtual reality technology and the Oculus platform offer products that allow people to enter an interactive environment to play games, consume content, and communicate.
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Running a small business means keeping track of a multitude of factors. From understanding the right product or service for your clients to hiring the right professionals for your office’s technological systems, it is essential to get the best for your business to get the most successful result. With surging demand for better network access, people are seeking out a more secure and beneficial system. Especially in the education and healthcare system, more businesses are choosing the benefits of Power over Ethernet.
What is PoE?
But what is PoE or power over ethernet? This system enables network cables to carry electrical power to devices installed in buildings and other locations without requiring a separate power and data connection. Power over ethernet systems can connect with VoIP phones and IP cameras. They enable you to deploy these tasks easy, and reposition them as needed. You can also use Wi-Fi, Bluetooth APs, and RFID readers because this technology can be used in remote locations without AC outlets.
As it is defined, power over ethernet technology can be advantageous for many businesses. Click here to see what I’m talking about. This is especially the case with large organizations such as hospitals and schools. One of the primary advantages of PoE is that it is able to deliver data and power over one Cat5 or Cat6 ethernet cable. There is no qualified electrical work required. Plus remote installation costs less typical electrical work because there are little to no labor costs involved.
PoE technology also popular among businesses because data speeds are improving rapidly, operating at 1 Gbps (10/100/1000 Mbps). It is effective for anything from streaming to checking simple emails and spreadsheets.
Power over ethernet cables typically come installed in many commercial and residential buildings and works well for a range of purposes. PoE is best for wireless access points, CCTV placements, and digital signages for buildings. It also works well for IT network installations, cable networks for IP devices. It also works for networks that are “out of the way.” However, when the distance is too far, the PoE may not work. PoE also does not work in extreme temperatures.
To check whether you are too far to utilize the power over ethernet system, click here.
The Benefits of PoE
When you use power over ethernet system, you also save money for your business’ technology sector. PoE eliminates tethering necessary technology to outlets, camera, phones. Other wireless access points can be repositioned as needed. Business owners can add devices where necessary, and the PoE system is designed to protect your devices from electrical overload. The PoE system is an uninterruptible power supply rather than a collection of wall adapters to which everyone is chained. This network and power are distributed evenly.
There are several benefits to using power over ethernet system, even for a small business. PoE injectors and switches are available to suit any application. This is the case whether you need a few ports or a complex system of multiple ports. To learn more about PoE, visit Enable IT online today to get the best system for your business’ service. When your business has the best system, you can do the best work.


LAN Services in Amritsar, Punjab
Giganet is widely valued in providing LAN Service in Amritsar to their prestigious clients. LAN Service is extensively used in different set ups like homes, offices, banks, airports etc for getting fast speed, network clearance, security purposes etc. Our LAN wiring Service in Amritsar is planned by using superlative quality material and pioneering technology under the control of professionals. This service enhances the transmission of high speed Data settling issues while voice, video calls, downloading etc.
A local area network (LAN) basically connects the computer or a laptop in the given space like home, work places etc. A LAN service helps the user to connect devices like printer, scanner more suitably and provides user friendly way to share files.
We aspire to provide most excellent LAN Service in Amritsar with complete Installation Services that offers contentment to our clients, our extremely skilled and specialist engineer will get in touch with you for any technical support you need any hour of the day.
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Antena Aquario B-2000 Manual PDF: Maintaining connections is crucial in the digital age. A reliable and powerful internet connection is essential whether you’re working from home, watching your favorite shows online, or just browsing the internet. You require a dependable antenna to improve signal strength and guarantee continuous connectivity. One such option is the Antena Aquario B-2000, and in this post, we’ll provide you access to a thorough handbook for this amazing antenna in PDF format.
Introduction to the Antena Aquario B-2000 Manual PDF
A high-performance outdoor antenna created to strengthen your Wi-Fi connection is the Antena Aquario B-2000. This antenna can assist you if you’re experiencing dead spots or weak signals. It is a flexible option for enhancing your internet connectivity because it works with a variety of routers.
Unboxing and Initial Setup
Let’s begin by talking about the unboxing process. Your Antena Aquario B-2000 will be safely packaged when you receive it to prevent any damage during transit. The antenna itself, mounting supplies, a user manual, and all required wires are all included in the package.
Understanding the Components – Antena Aquario B-2000 Manual PDF
Understanding the Antena Aquario B-2000’s components is crucial before you start the installation process. Learn about the antenna, the mounting bracket, the cables, and any other extras that came with the kit.
Mounting the Antenna
The antenna must be mounted correctly for the signal to be as strong as possible. Select a location that minimizes interference and offers your router an unimpeded line of sight. Utilize the mounting hardware that is included and adhere to the manual’s step-by-step instructions.
Connecting to Your Router
It’s time to connect the antenna to your router when it has been firmly secured. To create a dependable connection, using the cables and connectors provided. On this procedure, the manual offers thorough instructions.
Antenna Positioning for Optimal Signal
To get the most out of your Antena Aquario B-2000, position it properly. To determine the sweet spot that sends your devices the strongest signal, experiment with various angles and orientations.
Configuration and Settings
You might need to change your router’s settings to make the most of your antenna. Antena Aquario B-2000 configuration instructions for configuring your router are detailed in the manual.
Troubleshooting Common Issues
Have problems with the performance of your antenna? Don’t worry; the manual also includes a section on troubleshooting to assist you in identifying and fixing typical issues.
Maintenance and Care – Antena Aquario B-2000 pdf
The Antena Aquario B-2000 needs regular maintenance, just like any other electronic item, to preserve its lifetime. To enjoy years of increased signal strength, learn how to maintain your antenna.
Can I install the Antena Aquario B-2000 indoors?
No, in order to enhance signal strength, this antenna is made for outside use.
Is the Antena Aquario B-2000 compatible with all routers?
Even if it works with the majority of routers, it’s important to double-check the manufacturer’s compatibility list.
Will this antenna work in extreme weather conditions?
Yes, the Antena Aquario B-2000 is designed to work consistently in a variety of weather circumstances.
How far can the Antena Aquario B-2000 extend my Wi-Fi signal?
The capabilities of your router and the surrounding surroundings are just two of the variables that affect the Wi-Fi signal extension’s range. Guidelines for maximizing your signal range are provided in the instructions.
Can I use multiple Antena Aquario B-2000 antennas for even better signal strength?
Yes, you can build a network with improved coverage using numerous antennas.
To sum up, the Antena Aquario B-2000 is an effective device for boosting Wi-Fi signal strength and making sure your internet connection is steady. You have access to all the knowledge necessary to install, configure, and maintain your antenna thanks to this thorough PDF handbook. Say good-bye to spotty connectivity and hello to constant connectivity.


In today’s digital age, streaming and video conferencing have become an integral part of our personal and professional lives. Whether it’s streaming our favorite shows on Netflix or participating in virtual meetings through platforms like Zoom, Google Meet, Microsoft Teams, or YouTube, having the right internet speeds is crucial for a seamless experience.
When it comes to streaming videos, especially in high definition or 4K quality, a fast and stable internet connection is essential. The recommended speed for streaming HD content on platforms like Netflix and YouTube is around 5 Mbps (megabits per second), while for 4K content, it can go up to 25 Mbps or higher.
For video conferencing platforms such as Zoom, Google Meet, Microsoft Teams, and others, the required internet speed depends on various factors like the number of participants and the quality of video being transmitted. Generally speaking, a minimum download speed of around 1-2 Mbps is sufficient for standard quality video calls with minimal buffering. However, for high-quality video conferences with multiple participants or screen sharing capabilities, a higher speed of at least 5-10 Mbps is recommended.
It’s important to note that these are just general guidelines and actual requirements may vary based on individual circumstances. Factors like network congestion and other devices connected to the same network can also impact the overall performance.
To ensure smooth streaming and uninterrupted meetings without any lag or buffering issues, it’s advisable to check your internet speeds regularly using online speed test tools. If you find that your current speeds are not meeting the recommended requirements for streaming or video conferencing purposes, you may consider upgrading your internet plan or troubleshooting any potential network issues with your service provider.
By ensuring that you have adequate internet speeds for streaming and meetings, you can enjoy high-quality content consumption and productive virtual interactions without any technical disruptions.


So much has been written about beacons so far. But how do they actually work and what is their potential?
By now everybody has already heard something about beacons, those small devices whose bluetooth beacon light is supposed to guide our digital companions, namely smartphones, through the physical world
Apple introduced its “iBeacons” in a rather unspectacular way with the update of iOS 7 in autumn 2013.
What are beacons exactly and how do they function?
Beacons are small transmitters based on Bluetooth Low Energy (BLE), a battery saving version of bluetooth. Each Smartphone (or tablet PC) with BLE is thus a potential beacon that can recognize other beacons in its surroundings and react to them. This mere possibility is a breeding ground for many ideas. Yet it becomes even more interesting when the BLE technology is packed in a box with the size of a matchbox. Then we get a tiny lighthouse that will be transmitting its beacon light via a coin cell battery for two years – the so called “Advertising”. Such an isolated beacon can be now bought for ca. 30 Swiss francs and can easily be hidden behind things or hung onto them. A Smartphone with a BLE can receive advertising signals up to a distance of ca. 30 meter and forward it to its applications. The actions to be triggered with the signals depend on the applications in the Smartphone. And this is the essential point: the beacons per se cannot directly track the smartphone user and collect corresponding data. The user must install explicitly an application for that and will have constant control over what services he wishes to use. Whereby it is not necessarily clear what information he is giving away about himself in that way; the application could for example very easily forward his position to a server. A Smartphone cannot be tracked down easily via beacons as with GPS, only its distance from the beacon *. For this purpose the Smartphone needs significantly less energy than with a GPS and the use is also easily possible within buildings.
What is the potential of beacons?
Apple has already equipped US Apple Stores with beacons. These serve to intercept customers in stores and to make them aware of Easy Pay or of product reviews, when the iPhone user stands close to the shelves with accessories. So it is always the matter of recognizing a relatively precise, local reference from the Smartphone to something else..
Also other companies have recognized the potential and experiment with the use of beacons, e.g. larger department store chains in the US or Paypal for contactless payments.
But the use of beacons is still in its infancy and we are sure that the future holds many more innovative areas of application.
* Via _Trilateration_ an absolute localization would be possible, but for this first the exact positions of the beacons would have to be known..


NOTICE ON CHANGE OF PHONE AREA CODE
Dear our valued Clients and Partners,
Since 17 June 2017, Chodai & Kiso-Jiban Vietnam Co., Ltd. (CKJVN) has executed changes in phone area code following plan of the Ministry of Information and Communication.
According to expected progress of the Ministry of Information and Communication on changing phone area code, since 17 June 2017, phone area code of Chodai & Kiso-Jiban Vietnam shall be (024) 37624555 instead of old number (04) 37624555.
Old and new numbers have been being used at the same time during period of 17 June 2017 – 16 July 2017.
Chodai & Kiso-Jiban Vietnam Co., Ltd.


Christmas Decoration Tree LED String Light Smart Bluetooth Light Garland App Remote Control Light Holiday Atmosphere Light
WIFI & Bluetooth controlling
The fairy light string is designed with a button switch, which can be connected with your intelligent phone app Tuya or Smartlife by the WIFI and Bluetooth 5.0 technology. Double ways bring stable connection service. With built-in microphone, the light supports for alexa and for google voice assistant, convenient to control the light in far distance, which can change its light color according to the music as wellz
Infrared remote controlling & adjustable light modes
Attached with a remoter controller, the light can be defectively controlled by the controller conveniently. There are 16 light colors and 12 kinds of light modes for you to choose, 6 brightness levels available, four timer modes(1 h, 2 h, 4 h, 8h) to suffice your different using needs.
USB power interface
The fairy light string is designed with USB interface, convenient for users to find suitable power supply, such as power bank, USB socket and so on. 103cm/ 3.37ft length power cable is convenient for daily usage.
Metal wire design
The fairy light string can be freely changed its shape to achieve better fixing service, practical and convenient. Big size light beads on the metal wire bring you excellent light effect.
Scope of application
The fairy light string is widely suitable for party, bedroom, home, garden, patio, balcony, wall, window and so on.
Type: fairy light string
Quantity: 1 set
Material: plastic + metal + electric component
color: RGB colorful
Battery: button battery (included)
Power cable length: 103cm/ 3.37ft
Input voltage: 5v
WIFI: 802.11b/g/n, 2.4ghz
Bluetooth frequency: 2.4ghz
RX sensitivity: -92 dbm
Manual button controlling: supporting
Phone app: Tuya, Smartlife
Encryption: WEP, TKIP, AES
Light string length
1* fairy light string
1* USB power cable
1* remote controller
1* package box
The light string can not able to be freely cut by yourself.


Apple has unveiled its new Airpods Pro 2, the latest noise-cancelling earbuds that follow the original 2019 model.
Powered by Apple's new H2 chip, the AirPods Pro 2 are built with a new low-distortion audio driver and custom amplifier, offering "richer bass and crystal-clear sound across a wider range of frequencies". The new in-ear fit features an extra small ear tip and the headphones promise even better noise cancellation, reducing loud environmental noise like construction work.
Other updates include an extended battery life of up to 1.5 hours, personalised spatial audio, and touch controls. The storage case also now comes fitted with a small lanyard clip on the side.
“AirPods revolutionized the wireless headphone category with an innovative design and incredible sound quality. With the new AirPods Pro, Apple raises the bar once again,” said Bob Borchers, Apple’s vice president of worldwide product marketing. “The new AirPods Pro deliver even better sound quality, a more immersive listening experience with Personalized Spatial Audio, and transformative audio features like Adaptive Transparency. With up to double the noise-cancelling power of their predecessor, the world’s bestselling wireless headphones just got even better.”
AirPods Pro (2nd generation) are now available to order online, with availability in stores from 23rd September. They're priced at £249. Order from Apple here.
Back in June, Apple announced the arrival of its next-generation M2 chip and MacBook Pro line, with a "strikingly thin" MacBook Air redesign and "new levels of power-efficient performance and capabilities".
In other Apple news, the tech giant recently unveiled a new super-powerful computer aimed at creative professionals.


For your convenience, messages sent using this system are routed to the most appropriate regional office throughout the world. Due to world time zones you may experience a delay. If you need immediate assistance, please contact your local or regional representative using the contact information provided to you.
Emergency response services are available worldwide on a contract basis only. For further information, please contact your local Koenig Technologies representative.
Internet and telephone communication services in Libya continue to be unreliable. Southern Mediterranean customers are advised that sales and technical services have been temporarily transferred to Koenig South Africa. Local services in North Africa will resume as soon as telecommunications are restored.