Evolve IP Announces Availability of the Global Evolved Office (GEO)
The Cloud Services Company™ Continues Global Expansion With New Product Offering and Support and Development Office
WAYNE, Pa. – Evolve IP, The Cloud Services Company™, today announced the release of the Global Evolved Office (GEO), its international Unified Communications as a Service (UCaaS) product suite. GEO provides the same feature rich calling experience as Evolve IP’s cloud communications services for users in the United States including LNP (Local Number Portability), DID (Direct Inward Dialing), Toll Free and Emergency services, along with Evolve IP’s award-winning business collaboration features. GEO is now available in over 20 countries throughout Europe and will be available in Australia, New Zealand and select countries in the Asia Pacific region in 2Q 2017. Evolve IP is expanding its international presence to target emerging enterprise market opportunities and to support the current growth of its customer base.
In addition to GEO, Evolve IP provides DID services to users in an additional 30 countries across Europe, Asia, and Central and South America. For businesses with locations that fall outside of the core footprint, Evolve IP delivers a unique international hybrid model allowing for nearly ubiquitous coverage for customers all around the globe. The approach leverages existing local dial tone with an Evolve IP gateway and SBC on-site, effectively creating a local POP. Meanwhile, all features, signaling and user management continue to be serviced from the Evolve IP cloud.
Additionally, to support the technology, increase intellectual property development and grow Evolve IP’s international footprint, Evolve IP has entered into a definitive agreement to expand its existing software development and customer support teams into Tel Aviv, Israel.
“We have been actively expanding our international capabilities over the last two years and are very excited by the growth opportunities that GEO will provide,” said Guy Fardone, President and Founding Partner of Evolve IP. “To date, we’ve supported these initiatives through innovative product development and the next phase is an extension to the geographies where our customers have led us. We’re looking forward to providing additional coverage options and data centers both organically and through M&A activities.”
One of the nation’s fastest growing cloud companies, Evolve IP provides cloud services in virtually every industry including: healthcare, legal, insurance, banking, technology, travel, veterinary medicine, and retail and to some of the world’s most recognizable brands. The company’s Evolve IP OneCloudTM solution allows organizations to migrate multiple cloud computing and cloud communications services onto a single, unified platform including: virtual data centers / servers, disaster recovery, virtual desktops, IP phone systems / unified communications, contact centers, and more.


Prime Minister inaugurated 5G services in India on marking the beginning of the use of the next generation network in the country.
The 5G services will be rolled out in a phased manner.
The 13 cities where 5G networks will be launched first include Ahmedabad, Bengaluru, Chandigarh, Chennai, Delhi, Gandhinagar, Gurugram, Hyderabad, Jamnagar, Kolkata, Lucknow, Mumbai and Pune.
5G technology will offer a wide range of benefits to the common people such as seamless coverage, high data rate, low latency, and highly reliable communications.
It will also help in real-time monitoring of disasters, precision agriculture, minimising the role of humans in dangerous industrial operations and delivery of critical services.
5G Benefits: A Connected World
The 5G wave brings a more connected world, accommodating technologies like IoT.
This not only integrates AI into our lives but also supports Virtual and Augmented Reality, revolutionizing the mobile experience. Imagine downloading 8K movies and graphics-intensive games in seconds.
The technology’s scope extends beyond personal devices, permeating sectors like industry, commerce, education, healthcare, agriculture, finance, and social services.
While 2G to 4G will persist, it may take a decade or more to phase them out.
Various Field Applications of 5G Network
5G’s applications are diverse. It’ll embed sensors for real-time data relay in manufacturing, consumer durables, and agriculture.
Transport infrastructure will become smarter with vehicle-to-vehicle and vehicle-to-infrastructure communication, paving the way for driverless cars.
Low latency, crucial for mission-critical applications, is a hallmark of 5G.
Operating on millimeter waves, it boasts higher bandwidth, facilitating efficient IoT applications.
The healthcare industry, powered by 5G, embraces smart medical devices, the Internet of Medical Things, analytics, and high-definition medical imaging.
Way Forward for India: Embracing the 5G Revolution
For India to thrive in the 5G Era, alignment with Digital India is imperative.
Strengthening cyber infrastructure, incentivizing local design and manufacture of 5G technologies, and promoting 5G startups are crucial steps.
Allocating funds, incentivizing local technology and telecom firms, and fostering IPR generation will be key.
Massive investments in manufacturing 5G chipsets, creating test-beds, and technology platforms will propel India into a leadership position.
The roadmap includes an accelerated deployment of next-gen broadband infrastructure, ensuring 100% coverage of 10 Gbps in urban India and 1 Gbps in rural areas.
Optimizing coverage, reliability, and scalability with unified management policies will define India’s 5G journey.
The 5G Era beckons India to embrace a future marked by connectivity, innovation, and technological prowess.
The time is ripe for a strategic leap into a seamlessly connected and digitally empowered nation.
Dnyanjyoti Education is a leading coaching class in Nagpur for UPSC and MPSC. Founded in 2018, it offers coaching for UPSC, IAS, IFS, IRS, and IPS exams, as well as STI, ASO, and PSI exams for MPSC. We also provide coaching for UPSC Civil Services, CAPF, CDS, NDA, and PSCs. Dnyanjyoti has a team of experienced and dedicated faculty who help students achieve their dreams of becoming civil servants. Dnyanjyoti Education is committed to providing its students with the best possible education and support, and its results speak for themselves.


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We will get back to you with a link when the beta is live.
TCP/IP networks use both MAC addresses and IP addresses but for separate purposes.
A MAC address remains fixed to the device's hardware while the IP address for that same device can be changed depending on its TCP/IP network configuration.
When a residential gateway is changed, the Internet provider now sees a different MAC address being reported and blocks that network from going online.
A process called cloning solves this problem by enabling the router (gateway) to keep reporting the old MAC address to the provider even though its own hardware address is different.
IP networks manage the conversion between IP and MAC addresses using Address Resolution Protocol (ARP).
The Dynamic Host Configuration Protocol (DHCP) relies on ARP to manage the unique assignment of IP addresses to devices.The leftmost 6 digits (24 bits) called a "prefix" is associated with the adapter manufacturer (M).Each vendor registers and obtains MAC prefixes as assigned by the IEEE.The manufacturer agrees to give all NICs (and other Ethernet products) a MAC address that begins with its assigned 3-byte OUI.The manufacturer also assigns a unique value for the last 3 bytes, a number that manufacturer has never used with that OUI.If you find any issues, have an idea on what to add or improve on, or just have a question, please let us know by going to our contact page. Since we have been subject to abuse of our API from several large companies and smart phone app creators who have incorrectly implemented our API, we have essentially been DDo Sed for the past few months. First we would like to thank all our loyal users, especially the ones who have donated!Note that hardware from different vendors may happen to share the same device portion of the address.While traditional MAC addresses are all 48 bits in length, a few types of networks require 64-bit addresses instead.Instead of 64-bit hardware addresses, though, IPv6 automatically translates 48-bit MAC address to a 64-bit address by inserting a fixed (hardcoded) 16-bit value FFFE in between the vendor prefix and the device identifier.IPv6 calls these numbers identifiers to distinguish them from true 64-bit hardware addresses.


DRMtoday for Onboard Entertainment Systems
Playing studio content through passenger entertainment systems presents unique challenges when digital rights management (DRM) is required. Our solution helps simplify secured playback for these scenarios.
We offer an offline version of our DRMtoday service designed to license protected content for in-flight entertainment (IFE) systems as well as streaming networks operating on trains, buses, cruise ships, and ferries.
DRMtoday can also be deployed in other environments with limited or no internet access, or where keys need to be stored locally instead of in the cloud.
End-to-end workflow components
Our passenger entertainment solution consists of these modular elements:
Our Video Toolkit cloud service offers encryption, encoding, and packaging to process media assets for onboard delivery. Our service has already been used to prepare content for a leading European airline.
Safely moving studio content onto transportation entertainment servers is an important security procedure to consider. We support various content and key loading scenarios including the use of network or physical storage transfer.
Player hardware options
Our solution is flexible allowing DRM licensing to be delivered either across onboard playback hardware or passenger-owned devices.
Utilize existing screens
Our solution can be implemented for use with already installed entertainment system playback hardware.
DRMtoday can be installed alongside WiFi infrastructure to enable ‘bring your own device’ (BYOD) wireless streaming for protected playback on Android/iOS smartphones and tablets as well as browsers on laptops.
Example scenario: in-flight entertainment
Before content can be loaded onto an aircraft’s server for distribution, it must first be encrypted and packaged for delivery.
Encrypted content and license data (keys/keyseeds) are easily and securely stored on the plane’s onboard streaming server where DRMtoday is also installed.
When a passenger requests playback, the onboard DRMtoday service determines the encryption key and generates a license for the DRM system used by the playback device.
DRMtoday delivers the content license to the passenger’s player application, content is decrypted on the device, and playback begins.
Low hardware footprint
Our solution’s footprint is small needing only a simple local server. As system requirements are minimal, low-cost or existing onboard server technology can often be used.
For example, when delivering to mobiles using the CMLA-OMA DRM system, DRMtoday Onboard can even be run on a Raspberry Pi.


M.2: 3x M.2 Ports (w/ M key), one supports type 2242/ 2260/ 2280/ 22110 & PCI Express 3.0 x 4 modes, two supports type 2242/ 2260/ 2280 & PCI Express 3.0 x 4 & SATA modes
Audio: SupremeFX S1220A 8-Channel High Definition Audio CODEC
LAN: Intel I211-AT Gigabit Ethernet Controller
Ports: 2x USB 3.1 Gen 2 Ports (rear), 6x USB 3.1 Gen 1 Ports (3 Type-A rear, 1 Type-C rear, 2 at mid-board), 6x USB 2.0 Ports (2 rear, 4 at mid-board), 1x PS/2 Keyboard/Mouse Combo Port, 1x HDMI Port, 1x DisplayPort, 1x Optical S/PDIF out, 1x RJ45 LAN Port, Audio I/O Jacks
Power Connector: 1x 24pin EATX Power Connector, 1x 8pin EATX 12V Power Connector
Form Factor: ATX, 12.0 x 9.6 inch / 30.5 x 24.4 cm
* Product descriptions and part numbers are subject to change, and may not reflect manufacturer product changes. Please check the manufacturer's website and use the item's manufacturer part number to find the most up to date product description.
First of all I my order was shipped out on the 29th. The package came on the 30th. Now that is what I call quick delivery. Second so far I have found no problems with the hard drives I purchased. I kn... (more)


The call tracking software has been massively used in the business sector because of its ability to cause a tremendous increase in the value of a business and the many available industries. There has been an increased need to measure the call metrics and use the paid search ads that help in driving the current and potential traffic to their website.
Businesses that need call tracking
The use of mobile phones in business has proven to be beneficial because it makes it easier to run your business via phone calls which contribute to effective PPC campaign that leads to increasing conversion and leads and efficient customer service. Types of businesses that need call tracking include:
Hotels and Travel
Hotels and travel businesses understand the importance of phone calls because they are mainly used in the booking process and liaising with the customers to ensure that they get effective services. Call tracking software is essential in tracking the calls that come through paid search which ensures the business get the full results of the efforts.
The travel business has greatly benefited from phone calls because people mainly call to get more information about vacations packages, tropical excursions and yoga retreats among others. Phone calls have been proven to drive huge traffics and conversions that need call tracking.
The call tracking software has been used immensely in the legal business because it helps in the figuring out of the messaging that attracts most new clients. Having additional content with effective messaging has caused the call tracking to be successful in legal businesses. Moreover, clients always call the lawyers when they are discussing their cases hence the phone conversions have been proven to be valuable in the success of business.
Phone calls have been used by people who are looking to purchase a new home or renting a house. The real estate agents have always considered phone calls as an effective way to connect with their customers. Moreover, purchasing a home is a huge investment that entails great expenses. The phone calls between the customers and the real estate agents help in generating leads that have been proven to be a foundation of growth. They capitalize on making phone calls to generate effective conversion and leads.
Experts in home decoration, cleaning, door and window installation, flooring and plumbing among any other repair service require call tracking because the service has been proven to be a call away. It has been considered to be a typical conversion path due to the nature of the services that presumes going to house of the client directly. This ensures making of phone calls to make specifications and seek help essential and call tracking becomes beneficial because the business will likely get growing stacks every day.


Advising clients for twenty years – We specialise in finding the right internet solution for each property, whether in town or in a remote location with no cable connection at all. We can provide a comprehensive consultation service to assist you in choosing the best service for your needs and budget. Where a Fibre-optic connection is available it’s generally the best solution, although for some properties this is still several years away. However we are experienced at installing alternative technologies to fill this gap. These include: 4G Internet, Starlink, ADSL, Satellite Internet and Wimax. We can now say with confidence that we are able to provide a fast (150Meg), low-latency, unlimited data, internet connection at any location for a very reasonable cost.


- Public Address (PA) Function: Connect to an external PA speaker for amplified announcements
- Instant Channel 9: Quickly set the radio to emergency/channel 9
- Signal/RF Power Indicator: Check the relative strength of incoming transmissions
- External Speaker Jack: Plug in an external speaker for better sound
- External PA Jack: Allows connection of a PA speaker
The Uniden PRO505XL 40 Channel CB Radio is perfect for those long days on the road. It features an instant channel 9 function where you can quickly set the radio to the emergency/channel 9. You can check the relative strength of incoming transmissions with the signal/RF power indicator. This CB radio has an external speaker jack that will let you plug in an external speaker for better sound as well as an external PA jack that allows connection of a PA speaker. Other features include 40 channel operation, squelch control, channel display, volume control, mounting hardware, channel select buttons, and a large, easy-to-read display.
Every six to twelve months, check to make sure that…
- The Voltage Standing Wave Ratio (VSWR) is less than 2:1.
- All electrical connections are secure and free of corrosion.
- The antenna cable shows no wear or damage.
|Product Dimensions||12.9 x 6 x 2.3 inches|
|Item Weight||2 pounds|
|Shipping Weight||2.55 pounds (View shipping rates and policies)|
|California residents||Click here for Proposition 65 warning|
|Item model number||PRO505XL|
4.2 out of 5 stars
|Best Sellers Rank||#1 in Fixed-mount CB Radios|


We connect Sensors and Controllers to the Cloud using the most appropriate combination of Wireless technologies - ZigBee, WiFi, Proprietary Sub-GHz and 2.4 GHz radios, LORA, 2G/3G/4G, BLE etc. We can build a complete solution for you by leveraging our expertise in wireless communication, sensors, electronics, firmware development and cloud computing.
WiSense Proprietary Low Power Wireless Mesh
The WiSense wireless mesh network is a highly configurable radio independent stack which can be used in all kinds of applications. It is being used extensively in FCC (NA), ETSI (EU) and WPC (India) compliant low power short range sensing and control networks. It supports sleepy nodes, always on routing nodes and network coordinators/gateways. Use it to build sleepy nodes with ultra low energy consumption with the option to skip network join process and non-acked transmissions to the gateway using hardware MAC address. Contact us for more details.
No. 553/A , 9th A Main,
1st Floor, Indiranagar Ist Stage,
Bangalore - 560038
Email : email@example.com
Supply Chain and Logistics
Power Supply Modules
Wireless Cold Chain Monitoring
Monitor critical parameters such as temperature and relative humidity in real time. Our products can be used anywhere in the cold chain - from large cold rooms to small ice-boxes in warehouses and mobile refrigeration units. All sensor data is streamed to the cloud for storage, visualization and analysis. Built on top of our proven Sub-GHz RF mesh platform and RF to Cellular connectivity.
WiSense IoT Dashboard
WiSense IoT dashboard offers real-time sensor data collection and visualisation on the cloud. The dashboard relies on a powerful and reliable cloud infrastructure and developed using market leading software stack. The UI supports various visualisation options, SMS/Email notification, alarm generation, and more.
Wireless Asset Tracking
Track valuable assets in factories and warehouses using low profile wireless tags.
Power Supply Modules
WPSU3001 (Solar Cell + Super Capacitor PSU)
WPSU1000 (AC TO +5V / +3.3V Power Supply)


Beltone Hearing Aid Circuitry
The inner circuitry is an important part of a hearing aid, and determines the type of technology we use.
Beltone True 17™
Beltone True’s one-of-a-kind wireless technology gives wearers more freedom. Our advanced manufacturing processes keep True working like new. And, our new integrated circuit is Beltone’s fastest—and most powerful—ever!
Beltone Reach’s automatic features make it easy to hear better in practically any environment.
Beltone Touch 17™
Beltone Touch 17, an exciting new design that takes advantage of the anatomy of your ear to provide more natural sound quality and amplification.
Beltone One helps you hear speech more clearly, even in noisy situations.
Beltone Identity gives you the latest technology, to help you be part of the conversation again.
Beltone Change gives you the latest technology, to help you hear better, no matter where you are.
Beltone Access offers an extensive set of benefits and styles to fit most hearing losses and lifestyles.
The Beltone EDGE Collection combines the popular Open design with our latest technology to help you hear comfortably and naturally.
The Beltone Turn digital BTE family offers features to help you easily and effectively adjust your hearing aids to your personal needs.
Beltone Mira uses advanced digital technology to help keep sounds comfortable.


[TV WATCH] Bygone are the days when access to a television was required in order to enjoy the beautiful game of soccer. If you find yourself stuck away from
your television and are desperate to catch a World Cup match, just use your phone.
The ability to stream live video on a mobile device varies from phone to phone, but if you have what is generally referred to as a “smart phone” (iphone, blackberry, or android), you likely have the ability to stream live soccer matches.
If you happen to be an AT&T customer, you’re in luck, because they have exclusive rights to all of ESPN’s English language mobile World Cup broadcasts. All you need to do is download MobiTV or AT&T mobile TV, and pay the $10 monthly service charge. This will give you access to ESPN Mobile TV.
Verizon, Sprint, and T-Mobile users will also have the ability to stream matches to their mobile devices, although they won’t have access to all the matches that AT&T subscribers do. The ESPN Mobile TV web site breaks down how to stream matches depending on your phone service provider.
Univision has the exclusive Spanish-language mobile rights, and its match streams can be accessed by downloading their Univision Futbol application.
Because cell phone service tends to vary depending on your location, it would be wise to connect to a Wi-Fi network when streaming video if you have access to one.
A huge concern is that mobile networks won’t be able to handle the additional strain that throngs of streaming soccer matches will put on their bandwidth. It remains to be seen whether dropped calls and crummy reception become the collateral damage of this generation's desire to push the possibilities of sports viewership onto the mobile phone platform.


Bitbuzz, Ireland's leading Wi-Fi network, announced on Monday its continued support of Irish Rugby by providing the Ireland squad with access to its national Wi-Fi network once again for the duration of the Guinness Autumn internationals and the RBS 6 Nations championship.
Shane Deasy, Bitbuzz's Managing Director, commented: "Bitbuzz are delighted to be able to provide this service to the Irish rugby team. Since the start of our partnership we have seen the demand for our service continue to grow as the players increasingly need to keep in contact with their family and friends during the international campaigns.
"With Bitbuzz the players can access the Internet at broadband speeds from a large number of hotels and other public venues throughout the country."
The IRFU's Director of Commercial & Marketing Padraig Power said: "The players like the freedom of Wi-Fi, so we were looking for a service provider that could provide us with reliable and secure access to the Internet. Bitbuzz come highly recommended and the locations of their Wi-Fi hotspots suited our needs."
Founded in 2003, Bitbuzz is Ireland's largest independent Wi-Fi network operator, providing High Speed Wireless Internet Access services to roaming partners, location owners and direct users. Bitbuzz is the only wholly-owned Irish telecoms company focused entirely on the Wi-Fi market.
The Bitbuzz Wi-Fi service enables users with a Wi-Fi enabled laptop to connect to the Internet at broadband speeds without the need for any cables or wires. Bitbuzz currently has over 100 Wi-Fi hotspots in its network in the Republic of Ireland and Northern Ireland, with a planned rollout of over 200 in the next 2 years.


Opti-Com® is a sophisticated multi-duct conduit system for fiber optic cables.
The standard practice of laying 4″ duct and threading reeled inner duct can be costly and time-consuming. Our innovative design affords the customer a faster and more economical installation. The Opti-Com® inner ducts are factory installed and remain straight with the help of our specialized spacers and coupling system.
This method eliminates the need for additional surface contact created to untwist inner ducts, and the increase of spacing distance reduces the number of manholes required to install a conduit system. Omni carries all of the equipment needed to prepare and install your multi-duct conduit.


Analog Noise Squelch
and CTCSS decoder.
For Two-Way Radio Applications
Model SC-50 Click here for schematic, parts list, construction, installation and set-up instructions.
Ordering instructions on bottom of page.
This board can be added to any radio or repeater that has a suitable discriminator connection.
It is built with mostly through-hole components to allow repair or modification by the common technician.
It is used to create a quality noise squelch and CTCSS logic to be interfaced with a standard repeater controller or radio interface with AllStar, IRLP, or similar application.
This board uses the Motorola MICOR squelch chip for noise squelch detection.
Kit - you supply your own MICOR squelch chip - $50.00 each.
Kit with MICOR squelch chip - $75.00 each.
Assembled and tested without the MICOR squelch chip - $75.00 each.
Assembled and tested with MICOR squelch chip - $100.00 each.
US shipping and handling $7.50 in small quantity.
PayPal accepted - order below.
NOTICE: My stock of new MICOR squelch
chips has been depleted, HOWEVER, used - tested - and guaranteed chips are available.
I have a huge stock of these parts to fulfill orders way into the future.
Actual Size SC-50 photo.
(Click image to enlarge)
The SC-50 is a MICOR noise squelch, and a CML CTCSS decoder on a single printed circuit board. The board uses a genuine MICOR M6709 (M7716), as I have yet to find anything superior. A MX-465 (FX-465) CTCSS chip is used for "PL" detection. This chip is not duplex - meaning it will not generate (encode) and decode a tone simultaneously. Since the main purpose of this board is to allow easy connection of detected logic to a repeater controller, AllStar or other radio interface, the CTCSS encode would be done elsewhere in hardware or software. The MX/FX-465 is the only surface mount component. There is a socket provided for the MICOR squelch chip. Sure, the MICOR squelch chip is no longer available as a new part from Motorola, however, there are thousands of MICOR radios which are surplus. Many of you can source this part for free. As an option, it is available from me for $25.00 as a used/tested/guaranteed part.
There are three differently colored LEDs for status. One is blue and indicates a valid carrier squelch detection. The second is red and indicates a valid CTCSS (PL) tone detection. The third is green for COS, which indicates both COS and PL are valid in "AND" mode. The tone frequency is set by DIP switches. All of the functionality of the FX-465 is brought out to pins on the connector (DB-25F). They include the logic line to tell the chip to encode or decode, as well as all of the audio filters and muting that is available for the transmitter and receiver - in case someone wants to utilize them. There are three 'spare' traces on the circuit board allowing you to have access to three different pins on the DB-25F that you may jumper to anywhere on the board you like.
About the inputs and outputs.
There are only three necessary connections for input; buffered discriminator audio, power, and ground.
The logic outputs for PL and COS are not totem pole, however, both active high and active low are available for both of these signals. For "AND" mode, the COS outputs are the ones that are used. Both active high and active low are available for the COS logic output, irregardless if this output is being used in "AND" mode. The outputs are not selectively inverted, however, all of these open collector outputs are available from 6 holes marked A - F that are included on the circuit board. These outputs can be used for operations that are beyond the original scope of this board.
There are three spare hole traces that terminate to individual pins on the DB25. They can be used to wire up things I may not have thought of.
Why do we need this board?
Not all radios have easy access to quality COS and PL logic signals. Some repeater hardware may not include a conventional squelch control or may require reprogramming just to change the PL tone frequency. Some radios have inferior noise squelches. DSP in AllStar applications is good, but nothing beats a MICOR noise squelch. Plus, this allows you to use hardware COS and PL signaling which side-steps the known issues of the 'yucky blanking code' that sometimes punches holes in the audio stream in app_rpt. Some platforms (like the BeagleBone Black) are not currently intended for DSP operation, and this board will give the necessary logic signals from just about any radio that has a discriminator audio output. This board is a nice addition to the Yaesu System Fusion repeater when connecting a repeater controller like the SCOM 7330 or Arcom RC-210.
|Recommended Power Source: +12 to +16 VDC, must be constant, not switched. Maximum is 24 VDC.|
|Onboard regulation for both sections. 9.6V for the MICOR chip, and 5V for the FX465 and logic.|
|Squelch control is simple 3/4 turn potentiometer.|
|CTCSS tone is set by DIP switches.|
|Low current draw, about 25 mA standby and 60 mA with all LEDs lit, depending on logic sourced and its input impedance.|
|All logic is sourced from 5 VDC. Pull-up and pull-down resistors are included.|
|Option to disable fast/short squelch operation. This is done by adding a 22k resistor in the "RD" position. This part is NOT supplied.|
|Option to shorten the long/slow squelch hang time. This is done by adding a resistor
in the "RX" position.
This value can be whatever the user chooses as it will work in conjunction with the original 180k. This part is NOT supplied.
|Small size - can fit inside many radios.|
|My stock of new (NOS) MICOR squelch chips has been depleted. Used, tested, and guaranteed chips are available with the same 90 day Limited Warranty.|
|Add a quality squelch and CTCSS decoder to that radio whose logic signals are hard to get to.|
|Great for AllStar - app_rpt or connecting up your favorite repeater controller!|
|Simple to hook up and set up. Requires a few hundred mV RMS of audio that is AC coupled.|
|90 day Limited Warranty. Repair available for units out of, or not covered under warranty (my determination).|
|Mounts with double-sided foam tape or stand-offs (not included).|
|Hookup is made with a mating DB25 male connector (not included).|
|Kit comes with thru-hole resistors and capacitors, but isn't recommended for the first time
builder due to surface mount IC.
The kit can be supplied with the surface mount 24 pin IC already soldered onto the board. Just ask, or select below - $5.00 charge for this service.
Click here for schematic, parts list, construction, installation and set-up instructions.
Secure PayPal Ordering - Use down arrow to make selections.
Quantity can be changed at PayPal after pressing the "Buy Now" button.
Shipping amount added by PayPal is for shipping to the United States.
Please use the email link below to inquire about shipping elsewhere.
Product of Kevin Custer - W3KKC, all rights reserved.
Specifications may change without notice.
Images are property of Kevin Custer - W3KKC
Board layout by Chuck Kelsey - WB2EDV
HTML November 15, 2014, W3KKC All Rights Reserved!


Bluetooth® is a short-range radio frequency technology that is capable of transmitting voice and data wirelessly. The range for Bluetooth® devices is around 10 metres, and data can be transferred at a rate of 1 Mbps.
Bluetooth® technology allows you to remotely connect a compatible mobile phone to your Land Rover to make and receive calls and use other key mobile functions. Connecting via Bluetooth® gives you the freedom to leave your mobile phone handset in a briefcase or a pocket while driving or parked. For added convenience and increased safety, the Bluetooth®-enabled telephone system can be controlled via voice activation, and from the steering wheel or the Touch-screen of your Land Rover. Different features will be available according to the mobile phone handset used. Visit our Connectivity Centre to find out more.
A wide range of smartphones – including handsets made by Apple, Samsung, Nokia, Sony and Blackberry – are compatible with the Land Rover Bluetooth® Connectivity. Our engineers have tested and recommended the following handsets to meet our quality standards:
This list will be updated as more handsets are tested and new handsets are released. Please note that not all Bluetooth® enabled mobile phone handsets are compatible with the Land Rover Bluetooth® Connectivity.
For full instructional guides to connecting your mobile handset to your Land Rover via Bluetooth®, please visit our dedicated Connectivity Centre. You will also find detailed information on pairing, disconnecting and connectivity features.
You do not need specific software, just for the phone to have Bluetooth® connectivity. To connect the phone, ensure Bluetooth® is enabled, and the device is ‘visible’.
Both – the phone is tested and confirmed as compatible only with current software levels. Therefore, it is essential to check that your phone has the correct software.
No – Land Rover have only tested the models listed on our Connectivity Centre as compatible and can only recommend these as suitable handsets.
This defines the standard specifications agreed by the Bluetooth® Special Interest Group (SIG) who defined how Bluetooth® would work in the automotive sector. Early phones were not developed in line with the defined specification.
Yes – how this is done varies by phone manufacturer but guidelines will be provided on the Connectivity Centre website. Alternatively, you can contact your phone retailer or manufacturer to provide information for upgrading software.
The existing list of compatible phones covers current models that provide the level of vehicle functionality and integration required. Further phones will be approved and periodically added to the list.
It may work, or work partially. However Land Rover cannot guarantee the level of operation.
The level of integration with the vehicle controls and Bluetooth® features, including phonebook transfer facility, is competitive with other vehicle manufacturers’ hands-free options. The cradle solution (when fitted) allows such features as SMS on the Range Rover.
Yes, for a phone in the cradle and newer vehicle models (check compatibility lists).
This accessory system does not allow use of the vehicle touch screen or keypad, but does give voice interaction. This is a standalone accessory system.
It is usually located in the centre console between the front two seats under the armrest. Please check your vehicle handbook for more details.
12V in-car charging leads can be purchased from many phone stores.
Yes – it can be located anywhere in the cabin. Whilst it may function from the boot, Land Rover do not recommend this, as the signal may be too weak.
The phone handset will show a "car" or "headset" symbol to indicate it is in handsfree profile. Also, when in phone mode, the audio head unit or touch screen will confirm a phone is correctly connected via the cradle. This screen will show the network operator name and signal strength if the phone is registered to the network. If a phone is not registered to the network, "No Network" will be shown. If a phone is not connected correctly to the cradle, the audio head unit or touch screen will display "Phone Not Fitted" in the phone screen as detailed in the vehicle handbook.
When in phone mode, the audio head unit or touch screen will display "Bluetooth" or a telephone handset symbol, as detailed in your vehicle handbook. Due to a limitation of Bluetooth®, the signal strength is not displayed on the vehicle display. Also, the phone handset will show a "car" or "headset" symbol to indicate it is in handsfree profile.
Yes – although if a phone that is switched off is connected to the Bluetooth®, it will automatically switch on.
Multiple phones can be paired, please refer to your specific vehicle handbook for further information. This list is in order of last connected phone, with the last connected phone at the top. Only one phone can be connected at any one time.
Yes. When a phone is connected to the cradle, the Bluetooth® connection will disconnect. The cradle connection has priority over the Bluetooth® connection.
Every time you come back to the car, it should automatically reconnect to the paired phone. However, this depends on the phone settings and handset compatibility. Please check the pairing and connection guide for details. The vehicle will automatically search for the last connected Bluetooth® phone when the ignition is switched on and no phone is attached to the cradle. If the last connected Bluetooth® phone is in range (and set to accept connections), the vehicle and phone will connect. If the last connected phone is not in range, the vehicle will search for the next phone on the device list.
No, pairing need only be done once, and then the phone can be connected/disconnected as frequently as you wish. It is recommended that you keep the phone battery charged at all times – some phones turn Bluetooth® off automatically when the phone battery gets low.
As we roll out InControl, specific features described may be optional, and market or powertrain dependent. Please consult your local Jaguar Retailer for availability and full terms in your country. Certain features require an appropriate SIM with a suitable data contract, which will require further subscription after the initial term advised by your Retailer. Mobile connectivity cannot be guaranteed in all locations.
LAND ROVER INCONTROL SUPPORT


Send high-volume SMS anytime, anywhere from any device with an internet connection
Send messages in real-time or schedule them beforehand
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- SMS is charged for every 160 characters. For messages exceeding 160 characters, SMS will be charged for every 153 characters including the first part. It can reach up to 9 parts but will appear as one message on the subscriber’s phone.
- Rates when user is replying is P1.00/reply message.
- Rate for sending outbound international SMS is P4.00/SMS.
- Rate for sending classified premium/international A2P SMS is P2.30/SMS effective July 1, 2022.
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We can utilise existing CAT5 Networks or install a new cabling infrastructure offering higher bandwidth capabilities. You can specify a basic fixed IP camera or a full pan/tilt/zoom camera with night/day facility, motion detection, alarm outputs and infra red illuminators for a residential application. Wireless technology can also be integrated within these systems offering remote access to IP cameras up to 25Km away.
Our range of Network cameras are available with software offering a user friendly interface which is used to control and monitor IP cameras, as well as more advanced automation features such as motion detection, scheduling, email and SMS alerts. Software for multiple viewers can also be supplied, allowing multiple users to watch live IP camera streams from up to 25 Network cameras per server.


Report tips anonymously. Receive safety alerts. See local crimes.
The LiveSafe smartphone safety application is an easy, on-the-move way to connect with Campus Safety at any time. It's designed as one more way to enable good communication between students and campus safety officers.
The LiveSafe mobile app links to a dashboard that is monitored by campus safety officers. This allows users to quickly and easily share information directly with SNC personnel. Through the app, users can:
- send messages to officers via text, along with picture, video and audio attachments;
- engage in live chat;
- share information such as crime tips and safety concerns;
- choose to report information anonymously; or
- immediately send their caller ID and location
Other features in the app include a live, interactive map that displays where recent incidents have occurred on or near campus.
One of the greatest features is a GPS-tagged monitoring system that users can activate to let friends and family see their location, making sure users stay safe as they travel from one location to another.
The app is offered to all students, faculty, staff and parents to download for free, and is currently available on iTunes and Google Play. Search for livesafe, inc.
Download the app to your smartphone:


Webseite R3 Solutions GmbH
R3 develops WiFi-based ultra-reliable low latency communications (URLLC) technology to meet the highest industrial requirements.
WHOM ARE WE LOOKING FOR?
WHAT CAN YOU EXPECT FROM US?
- Work in an international and ambitious high-tech company
- Active participation in the growth course of IIoT wireless technology product development
- Opportunity to play a significant role in the development of new ideas and products
WHAT ARE YOUR RESPONSIBILITIES?
- You will be part of our experienced development team, developing leading edge solutions in the wireless domain for the industrial IoT
- You will be actively developing products in the areas of wireless MAC and PHY software functions and/or firmware
- You will manage your activity using agile methods and bear responsibility for the quality of your code
- You will maintain and advocate for best-practices and high-quality standards through code review
- You will develop software according to milestones and processes set by the Product Owner and the R&D team
- You will contribute to the success of your team using your excellent organizational skills
- You will identify impediments to the team efficiency and propose and implement solutions
WHAT DO WE EXPECT FROM YOU?
- M.Sc. in a relevant technical field (computer science, communication technologies, automation engineering, electrical engineering or similar) or equivalent experience
- Hands-on experience developing and launching products for the industrial sector (absolutely required)
- Solid knowledge of wireless systems covering all layers from Layer 1 to Layer 3, preferred focus on non-cellular wireless standards like IEEE 802.11ax
- Experience in working in agile processes especially for software development
Um dich für diesen Job zu bewerben, besuche bitte www.r3.group.


Its wireless transmitting rate rises M, equivalent to 10 times of common 11b product. Installations for how to import the projects are available in the documentation section. Compare Realtek RTL wireless remote control wifi ip camera module. You can ensure product safety by selecting from certified suppliers, including 33 with ISO, 24 with ISO certification. Technical Resource Synergy Book. The demo system is integrated with the following system, software and toolchain components:
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2016 Bombardier Global 6000
Asking Price: $49,900,000.00 USD
CB Aviation is proud to bring this brand new 2016 Global 6000 with delivery in January 2016. The Global 6000 aircraft delivers the power to depart from the most challenging airfields, the performance to get you to your destination ahead of schedule and the range to connect you to your world.
The ultra-long range Global 6000 aircraft flies non-stop to the farthest reaches of the globe to meet the more demanding travel needs of today’s leaders. Capable of cruising at an outstanding Mach 0.88, the Global 6000 aircraft will carry you an impressive 6,000 nautical miles at a cruise speed of Mach 0.85 with a complement of 8 passengers and a full baggage compartment.
AVIONICS AND OPTIONS:
Avionics and Cabin Communication
- Synthetic Vision System (SVS)
- Perfect visibility regardless of the weather or time of day
- Wireframe synthetic image overlay on the HUD
- High-resolution Enhanced Vision System (EVS) Camera
- Sharper, crisper image for much improved situational awareness
- Image displayed on the HUD and/or a multifunction display Latest cockpit technology
- Electronic flight bag
- Paperless capable cockpit
- Multi-scan weather radar
- Triple-advanced Flight Management System (FMS)
- Controller Pilot Datalink Communications – Link 2000+ and Future Air Navigation System (FANS)
- Wind shear escape
- Vertical situation display
- Auto throttle with both dual and single engine
- Surface Management System (SMS) — Optional
- Automatic dependent surveillance-broadcast (ADS-B) Out
- Wide Area Augmentation System (WAAS)
- Localizer Performance with Vertical Guidance (LPV)
Workstation Cabinet and Single Seat
Surface Management System (SMS)
CNX Data Acceleration
Workstation and Low Cabinet Design – WITH INLAY
-Dual three-axis, active-standby Category II
– Flight Control Systems (AFCS) The AFCS includes computations for flight guidance, autopilot,
autothrottle, yaw damper and automatic pitch trim.
– (FCP) or via the take-off go-around switches on the throttles. The FCP hosts controls for
yaw damper and autopilot engage / disengage and LNAV / VNAV controls.
-Primary Flight Display (PFD).
The Rockwell Collins Pro Line Fusion
Communication and navigation system uses dual Radio Interface Units (RIU) to concentrate data and audio from each of the receivers and transmitters.
The RIU performs the following functions:
-Performs the Communications Management Unit function, providing several data communications functions. The RIU provides the SELCAL function and operates as the Aircraft Communications Addressing and Reporting System (ACARS) compatible router.
-Receives the digital audio busses from the radios and concentrates them on a bus to the Audio Control Panel.
-Mixes flight deck audio and aural alerts.
-Presents multi-channel aural tones and voice tones so that they can be heard in concert. The Aircraft communication system also includes:
VHF Communication – The VHF Communication System consists of three Rockwell Collins VHF-4000
communication radios. The VHF radio is designed to offer either 8.33 KHz or 25 KHz tuning intervals, selectable from a tuning controls page. One VHF radio has data capability. The data capability is provided by embedded d modems for VHF Data Link Mode A and Mode 2.
HF Communication – A dual HF communication
system is installed.
SELCAL – A dual SELCAL system is implemented within the RIUs, and provides an aural annunciation
and an EICAS message when a preset code is received by either the VHF or HF radios. The system is capable of monitoring three VHF and two HF radios.
Datalink – The system includes baseline Data Link capability. The Data Link capability is provided by
the Radio Interface Units. The system also includes a single Future Air Navigation System (FANS) function. Once available, initial FANS capability will include Airline Operational Control (AOC) operations and Controller Pilot Datalink Communication (CPDLC).
Audio system – The audio system is a fully integrated digital audio control system with three Audio Control Panels (ACP). The ACP provides individual audio control for communication radios, navigation radios, and the interphone. The ACP provides both selection and volume controls. The audio signals from all radios are provided to the pilot, first officer and flight observer headphones, as well as to the flight deck speakers. The audio system
also provides convenient pilot-to-pilot communications, as well as providing inputs for the aural warnings from Traffic alert and Collision Avoidance System (TCAS), TAWS, and EICAS.
Crew (minimum) 2
Passengers (typical / maximum)(1) 8/19
Workstation and Low Cabinet Design – WITH INLAY
The executive configuration will promote both productivity and comfort. The aircraft is configured for up to 16 passengers. Galley Location Forward with Galley Annex and Additional Universal Outlets Forward crew Rest Area
Forward Cabin Configuration 4 Club Seating with Pull-out Tables
Mid Cabin Configuration 4 Place Conference Grouping opposite a Credenza with Low Cabinet
Aft Cabin Configuration 3 Place 16G Divan opposite 2 Club Seats
Lavatory Location(s) Forward Crew Lavatory and Aft Fully enclosed Passenger Lavatory
Galley Equipment: Aerolux Nespresso Machine, Chiller, Microwave Oven, High Temperature Oven
Display/TV Monitor(s) Two 24” HD Monitors & Three10.4” Plug in Monitors
Airshow System Airshow ASXi Interactive Flight Information System w/ Airshow Netwrok and World Explorer Guide
Video Playback Dual 2 Disk Blu-Ray/CD/DVD/MP3 Player
HD Audio/Video Media Distribution Center
CES 5000 with control via iPods Two (2) iPod 30-pin nesting cradles above the crew rest
High Quality Speaker/Subwoofer System One (1) High Definition Media Streamer Hard Disk
Voice and Data Inmarsat Satcom Aero H+ Voice/Data, Dual Channel Swift Broaband Data, Innotech Ku Band Mobile Broadband Data
In Flight Phone Iridium ICS-100
The aircraft is delivered with no exterior paint
Specification/Descriptions are provided as introductory information and do not constitute representations or warranties of CB Aviation or CB Aviation client(s). Accordingly, you should rely on your own inspection of the aircraft. Any proposed transaction is subject to final execution of a contract acceptable in form and substance to CB Aviation, its clients, and their counsel.


The global market of smart buildings is currently worth around $80.62 billion, poised to grow to ~$328.62 billion by the end of this decade. This new paradigm’s foundation is the fast-evolving combination of the Internet of Things (IoT) and smart building sensors.
Smart building sensors are integral to modern property management systems, especially commercial real estate. IoT-enabled sensors reduce energy, operating, and personnel costs while enhancing efficiency, sustainability, productivity, safety, and security.
Smart building sensors can transform both residential and commercial real estate beyond the traditional scope of climate control and energy efficiency. Keep reading to explore everything you need to know about smart building sensors and how they are changing our world.
What Are Smart Building Sensors?
Technology has evolved rapidly since Warren Johnson’s electric tele-thermoscope, also known as the electric room thermostat, and Samuel Bagno’s motion sensors. These first sensors were genius creations but not smart in the current context as the internet did not exist until the 60s.
Smart building sensors can detect and regulate temperature, humidity, lights, appliances, and air quality. Additionally, IoT sensors can monitor motion, proximity, contact, water quality, electricity, and security, thus automating various systems and providing valuable data.
Contemporary smart building sensors use different technologies and the Internet of Things to offer real-time automation. Most smart building sensors also assist in property management and essential operations, including preventive maintenance, security, and emergency services.
Types of Smart Building Sensors
By definition, all smart building sensors are IoT-enabled. However, a residential or commercial building does not necessarily use a fully integrated management system.
Some properties have an individual building management system (BMS). Such setups can have only one smart sensor or several standalone installations. However, in the latter scenario, the smart building sensors do not share a common or fully integrated IoT system.
In addition, some properties have a partially integrated building management system. Such setups do not require as much manual intervention as an individual BMS.
In contrast, a fully integrated IoT-enabled BMS covers all the smart building sensors installed at a property with real-time automation and actionable data.
The scope of a building management system depends on the objectives. Likewise, the scope and objectives decide the types of smart building sensors in a BMS. The following are the most prevalent types of smart building sensors in the United States and worldwide.
Samuel Bagno created the first motion sensor for non-military use. Bagno’s burglar alarm used ultrasonic waves to detect motion. Today, smart motion sensors use different methods to track and detect movement.
The most common types of smart motion sensors use passive infrared (PIR), microwave (MW), or both. Some motion sensors use ultrasound and radio waves. Motion detection systems are also known as occupancy sensors.
A dual technology smart sensor using passive infrared and microwave has a two-tier detection mechanism. Generally, the passive infrared sensor detects motion or occupancy, and then the microwave radar turns on. Any motion or occupancy must trigger both these sensors for the system to activate. Often, these systems are marketed as less vulnerable to false alarms.
Smart buildings with automated lighting, climate control, doors, and other such features rely on occupancy or motion sensors. These sensors may connect to imaging or video surveillance systems, thereby expanding the scope of automation, response, and data analysis.
A plethora of smart motion sensors is available now. Some advanced ones are programmable, so you can modify the coverage, exclude the movement of pets or small animals, or use image, video, or signal processing systems to customize the alarms, related actions, and other settings.
You are probably familiar with smart thermostats like Nest. Moreover, almost all popular HVAC manufacturers have their own smart thermostats, including Carrier, Lennox, Honeywell, etc.
The temperature sensors used in smart building management systems are quite similar to those you may have used. These sensors have transistors, thermopiles, and thermocouples to detect temperatures, usually in the range of -67 to 302 °F (-55 to 150 °C).
Smart temperature sensors do not have the bimetallic strips used by Warren Johnson to make the first electric room thermostat. Instead, the recent versions have microelectromechanical systems (MEMS).
Most residential, commercial, and industrial properties require multiple temperature sensors, subject to the number of HVAC zones in a building. Accordingly, the temperature sensors can control the heating, cooling, and ventilation of each zone, typically with a +/- 1-degree accuracy.
Humidity sensors are a type of hygrometer. While a hygrometer only measures the relative humidity in the air or inside a building, the smart sensors take it a step further and regulate the ambient moisture. Hence, many companies refer to these sensors as humidistat or hygrostat.
Some hygrometers or sensors can measure absolute humidity. However, the humidistats or hygrostats used in buildings are almost always relative humidity sensors.
The three prevalent types of smart humidity sensors are capacitive, resistive, and thermal.
- Capacitive humidity sensors are suitable for residential and commercial buildings. Most HVAC systems, refrigerators, ovens, and automobiles use capacitive humidistats.
- Resistive humidity sensors are not as accurate as capacitive humidistats. However, resistive humidistats are more affordable and thus a preferred option for large properties.
- Thermal humidity sensors have a greater resolution and durability of the three, so these humidistats are preferred in pharmaceutical plants, drying kilns, and even clothes dryers.
Humidistat or hygrostat is one of the most important smart building sensors for large properties with little to no natural ventilation. Commercial buildings, such as offices, malls, hotels, or indoor restaurants, can have a distinct relative humidity inside when compared to the air outside.
Occupancy or motion sensors can regulate connected smart lights. However, smart buildings also use light sensors or photoelectric devices. The photosensors are different from occupancy or motion detection devices.
Smart light sensors have photo-sensitive cells to regulate various lighting fixtures depending on the strength, presence, and absence of sunlight. Essentially, the cells scan the whole spectrum of visible light, and some may even detect infrared and ultraviolet wavelengths.
Modern light sensors use different technologies, such as photojunction devices, photodiodes, and photo-transistors. However, the most prevalent type of smart light sensor used in buildings is a photoconductive cell, also known as a photoresistor or light-dependent resistor (LDR).
A light-dependent resistor can turn the connected lighting fixtures on and off. You can also connect dimmable lights and automate them using such sensors. Furthermore, a fully integrated IoT BMS can sync lighting fixtures with light and occupancy or motion sensors.
Smoke sensors or detectors have been around for decades, and they are an integral part of fire safety regulations for many types of properties. However, smart smoke sensors typically have a few failsafe features that traditional devices do not carry.
The fundamental concepts are still the same. Smart smoke detectors can have photoelectric sensors or use ionization. Dual smoke sensors use both for impeccable efficacy, and several variants can detect carbon monoxide.
In addition to these conventional features, smart smoke sensors compatible with IoT have onboard batteries for power backup to run during an outage. Some smart smoke sensors have Bluetooth to communicate with phones in the event the internet is down.
Many smart smoke detectors can run self-diagnostics to confirm if the system is working as expected. Thus, you will get a notification if such smoke sensors fail or malfunction.
Air Quality Sensors
Traditionally, air quality sensors have been essential in manufacturing and industrial facilities. Many commercial buildings have these sensors now to enhance the efficacy and efficiency of their air purifiers and HVAC. Air quality sensors are also necessary for health and safety.
Smart air quality sensors can detect the following, subject to the specifications:
- Carbon dioxide
- Carbon monoxide
- Combustible gasses
- Hydrogen gas
- Hydrogen sulfide
- Nitrous oxide
- Nitric dioxide
- Nitric oxide
- Particulate matter
- Sulfur dioxide
- Volatile organic compounds
Industrial facilities and commercial establishments dealing with hazardous substances need air quality detectors covering the entire spectrum of those fumes, gasses, or volatile compounds.
Additionally, air quality sensors have a specific detection sensitivity. Residential and public buildings need sensitive air quality sensors. Otherwise, the low levels of any harmful gasses, particulate matter, and volatile organic compounds may remain undetected.
An IoT building management system must connect such smart air quality sensors to the central infrastructure and control interface. Properties also need a sufficient number of these air quality sensors, like the zones for HVAC and purifiers.
Smart buildings can have two types of water sensors. The simpler type is a water leak sensor. These varieties may use floats, bubblers, pressure transducers, or ultrasonic sensors. The other kind is a water quality sensor to detect ions, substances, suspended solids, and other elements.
Some facilities may have water quality sensors capable of measuring the pH, general hardness, carbonates, bicarbonates, and softness if these parameters are necessary for the intended utilities.
While the standard water sensors with smart features may use flow meters or acoustics, those assessing the quality are more sophisticated and thus expensive. However, water leak detection and quality sensors are essential in many smart buildings.
Like the other smart building sensors, water leak detectors and quality assessment systems can be synced with temperature, humidity, and air quality sensors. Detecting fluctuations in a zone’s temperature, relative humidity, and air quality can offer comprehensive and invaluable data.
Suppose there is a leak due to a pipe burst, but the property managers do not know the exact source. In such scenarios, collating the real-time data from multiple smart building sensors can be consequential in identifying the precise source of the problem and the extent of the damage.
Proximity sensors in buildings are not very different from those used in cars and the automated sliding doors at malls and airports. The principle is identical, but proximity sensors are not the same as occupancy or motion detectors.
Generally, proximity sensors use ultrasonic or electromagnetic waves to measure the distance between the device and obstructions. Some proximity detecting devices may be area reflective sensors. Area reflective sensors use LEDs and active infrared to detect obstacles. Unlike the passive infrared in motion detectors, the LED emits active infrared to detect proximity.
Occupancy or motion detectors and proximity sensors can work in synergy. A highly efficient building management system may use a combination of these sensors and IoT to split a vast property into many smaller units. You can choose a zone as small as an office cubicle or desk.
Many smart devices or tools use optical sensors, such as motion or occupancy detectors. Even water leak and quality detectors can use optical sensors. However, optical sensors may be both hardware and software.
Optical sensors with image and video processing systems use hardware and software. However, the visible light spectrum is not the only domain of these devices. Optical sensors can scan the infrared, ultraviolet, or entire electromagnetic spectrum.
Furthermore, optical sensors are integral to many types of security systems, irrespective of the array of devices and detectors facilitating the first trigger.
Current sensors can detect and measure electricity. Also known as CT or current transformer sensors, these smart systems can measure AC, DC, or both.
Generally, current sensors have a solid or split core. Some systems use Rogowski coils, which are closed loops. Such devices with inductive technology are used to detect or measure AC. A current sensor using open loops or conductive methods, such as the Hall Effect, is for DC.
Smart buildings can use current sensors not only to detect and measure electricity consumption but also in sync with power-off systems or protocols for efficient energy management.
Contact sensors are simple but multipurpose tools. Smart contact sensors contribute to security by alerting you if a door, window, or access point is open. Also, these notifications can prevent a significant waste of energy and probable damage to infrastructure.
Doors, windows, and main entrances & exits are not the only applications of contact sensors. A magnet-based contact sensor can be installed on machines, cabinets, and common appliances, like a fridge.
Security sensors in smart buildings are not a particular type of device but a bouquet of systems. A security sensor may detect proximity, occupancy, motion, image, video, or contact. Thus, any technology that can detect unauthorized presence is eligible to be a part of a security sensor.
However, smart security sensors available today use infrared (passive and active), microwave, or both. The other prevalent methods are magnetic contact switches, photoelectric beams, and sound, including ultrasonic waves.
Tomographic motion detectors are still nascent, so the technology using radio waves to create 3D images without a line of sight may take a while to become commonplace. For places with a direct line of sight, video surveillance systems continue to be the default for building security.
Many benefits of smart building sensors are evident: energy conservation, resource utilization, cost reduction, space optimization, sustainability, and security. However, imagine the evolution that the data obtained through these IoT-based BMS using smart sensors can usher in.
Apart from the commerce of data analytics, smart building sensors can influence architecture, infrastructure planning, real estate development, and socio-technical activities. More importantly, data about any immediate surroundings can flag potential dangers, including health hazards.
- Fortune Business Insights: North America Smart Building Market Size, 2018-2029 (USD Billion)
- Johnson Controls: Our Founder – Warren Johnson
- USC Viterbi School of Engineering: Motion Sensors
- Deloitte Center for Financial Services: The Internet of Things in the CRE industry
- SafeWise: The Beginner’s Guide to Motion Sensors
- Elprocus: What Are Motion Sensors and How Do They Work
- ScienceDirect: Smart Temperature Sensors and Temperature Sensor Systems
- CNET: Honeywell Wi-Fi Smart Thermostat Review
- Electronics Hub: Humidity Sensor – Types and Working Principle
- Electronics Tutorials: Light Sensors
- International Fire and Security Exhibition and Conference Global: Smoke Detectors Explained
- Arrow: Air Quality Sensors
- AZo Sensors: What Is a Water Sensor?
- Elprocus: Optical Sensor Basics and Applications
- OpenEnergyMonitor: CT Sensors – An Introduction
- Aim Dynamics: How Rogowski Coils Work
- NK Technologies: Current Sensing Theory
- ScienceDirect: Alarm Sensor
- Arrow: Five Common Types of Security Sensors in Modern Security Devices
- Southwest Microwave: Perimeter Protection for Security-Sensitive Applications
- ScienceDirect: IoT and Big Data Analytics for Smart Buildings: A Survey
- ResearchGate: Data Analytics in Smart Building
- Data Broker: Marketplace for Smart Building Sensor Data Set To Explode


This tutorial introduces you to DTMF technology and the DTMF decoder IC MT It also helps you to understand how to interface the IC to based micro . This board decodes DTMF signal either from an audio source or phone line to 4 bit binary TTL(5V) level output. It also indicates outputs with LED. Can use. Introduction. DTMF (Dual Tone Multi-Frequency) signaling is used for telecommunication signaling over telephone line in the voice frequency band between.
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Decodsr a minor point, but the way the cap is in the circuit, it is not filtering noise, it is filtering DC signal, so if the audio from the phone has a DC offset, the DC is blocked and only the AC audio gets through. In the early days, our phone system used to 870 operated by human operator in a telephone exchange room. The optional circuit shown within dotted line is used for guard time adjustment.
Problems with MT DTMF Decoder
The circuit is configured in balanced-line mode. I’m dead sure about the connections of the circuit. These digital bits can be interface to a computer or microcontroller for further application eg. Quote I understand that the 0. Do you already have an account?
Increasing the value of GS resistor solved the problem. Is it too late to modify my answer? Need a Current Regulator? Do you have an oscilloscope or logic analyzer that you can connect to diagnose what is going on when it’s locking up? Decodwr on auxiliary switch S2. Billy Robot Overlord Posts: DTMF is as acronym for Dual Tone Multi-frequency Signaling it is used in telecommunication signaling basically it is a signal that is sent to the switching center phone company when the phones keys are pressed.
The device after detecting a valid tone-pair makes one of the pins high StD for a short duration and the output latch is updated Q1-Q4 according to the received tone-pair. May 09, It uses electronics and computer to assist in the phone line connection.
INTERFACING DTMF DECODER
Design Guides Product Development: July 25, VegaObscura on May 02, Now the high logic at pin 5 enables the detection of tones representing characters A, B, C, and D.
You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.
November 18, Logged mklrobo Supreme Robot Posts: Use a Voltage Regulator! After some playing around aimlessly, it started working again. These tones are then decoded at the switching center to determine which key was pressed.
I understand most of the circuit. Notice that there are key tone for A B C and D. This reset all 880 lights set them all to off but they still wouldn’t respond to keypresses. It does take a certain amount of time for the chip to identify the tone; no less than milliseconds, I think. Mar 11, 5. This seemed to cause a slight “lag” in the response time, but it dexoder locked up the same. A resource for professional design engineers.
DTMF Decoder Using MT8870
Reference design for Laser Drive Applications 6 December Feb 13, 1 0. To make sure I understand. I am attempting to make a circuit with the Dcoder chip. Unplugging the circuit and plugging it back in does nothing. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored.


Dual USB Wall Charger
Quickly Charge your iPhone or iPod in any wall outlet. Comes with 2 USB ports so you can charge 2 devices simultaneously. Folding wall socket prongs give maximum portability and convenience.
- Offers two USB ports to charge multiple devices simultaneously
- Folding wall socket prongs for maximum portability
- Supports iPhone, iPod, or any device powered by USB
- Compatible with 100-240V AC input
- Output 5V1A


Some fun I had while finishing up my degree at UNCG. The campus radio station had just had a frequency change from 106.1 to 103.1 to settle an interference dispute with a commercial FM station in Durham, NC. The sign on the wall was to remind everyone to please quit saying the old frequency by accident.
The station transmitter only had an output of 10 watts, but the antenna was way up, so coverage was good.
Image from 1989.
- Created on
- Sunday 27 April 2008
- Posted on
- Saturday 15 December 2018
- 168 KB
- 103.1, 33 1/3, college, deejay, disc jockey, dj, FM, long playing, lp, music 103, music 106, radio, record, technics, turntable, uncg, universtity of north carolina greensboro, vinyl, wuag


When it comes to Business Video Conference Systems, they need to be reliable and professional through the whole meeting. Here are ten popular video conferencing systems that would work for your next video conference.
Polycom is a top conferencing hardware with a wide range of features and quality sound. Polycom offers a clear communication channel for Business Conferencing with a backlit display. Polycom is also commpatable with mobile devices. Polycom is priced around $699.
Lifesize is easy to use and provides a high picture quality for Business conferencing. A 1280 by 720 resolution will ensure you can see every detail so you will not miss a thing. Configuration takes less than 15 minutes. The price runs around $12000.
3. Google Hangouts
Google Hangouts requires the user to have a Google account and a Google+ profile. You also need to install a browser plug in to work with Windows XP or higher. While you video chat, Google Hangouts enables the user to chat and watch YouTube videos together. With 5 people or more the chat is known to not work as effectively as other video conferencing platforms,
4. Adobe Connect
Adobe Connect is a premier business video conferencing service. The downside to Adobe Connect is the need for a teleconferencing platform to make calls. If you want a highly professional system this is the one to choose.
5. Skype Premium
Choose a low cost prepaid credit or subscription and chat with more than 3 people on your Skype conference. Skype will deliver a very basic video conferencing system for a low cost. It is easy to install and is recognized as the best video conferencing system for a start up business to use.


SERVICED OFFICE IN TUGGERAH BUSINESS PARK!
Type: FOR LEASE
- Category :
- Building Area: 28
This modern 28sqm (approx) serviced office is one of six with boardroom and reception, data cabling and alarm and includes 100sqm (approx) of shared meeting rooms and amenities.
Each office is furnished and includes a split system air conditioner.
The rental includes
* includes all outgoings such as strata levies, rates, and maintenance.
* use of office 24/7 and access via security tag (there is a back to base alarm system)
* office furniture including L shaped work stations and seats
* large glass windows and carpeted floor
* shared access to 2 meeting rooms, kitchen facilities, 2 toilets and 1 shower
* plenty of space available at 8.45 am
* two digital telephone handsets including outgoing calls to local, STD and mobile number charges
* shared access to internet services via 2 x ADSL 2+ services via load balancing hardware via wifi and data points
* 3 x direct telephone numbers to used for the duration of the lease or use a 1300 service to point to one of your numbers
* remote voice mail access and courier delivery services
* 9 data points to be able to setup your office networks
* fortnightly cleaning
Available under a 12 month lease and rental paid monthly.


This course has been developed in conjunction with industry experts and provides an awareness of noise and vibration regulations, different noise levels found in industry, the human ear, the hazards associated with noisy environments and how we can control these.
The aim of this course is to provide information on the hazards associated with noise and is suitable for all employees working in noise intensive environments.
- Identify the common noise hazards
- Identify the Noise at Work Regulations
- Identify the human ear and the different noise exposure warning signs
- Identify the different recommended noise limits
- Identify the risks of noise exposure
- Describe the different noise control measures that can be used
- Explain the different types of hearing protection
- Duration: 30 minutes
- Knowledge Check: 20 Questions Final Assessment
- Language: English, Mexican Spanish, Brazilian Portuguese
- Certification: Delegates will receive a Cresent certificate on successful completion of this course
- Operating System: Windows (7,8,10) and Apple Mac
- Browsers: Edge, Internet Explorer, Google Chrome, Firefox and Safari
- Additional Hardware: Please ensure that you have headphones or speakers


Request Port Activation
|A computer, printer, or other network device is connected to our network by a physical Ethernet cable connecting it to an active network port on a beige wallplate. Active ports are usually marked with a red, purple, yellow, or blue chicklet to signify connection speed (red and purple ports represent 100mbps speed, yellow represents 1000mbps speed, and blue represents a VOIP (phone) port). If your port has a colored chicklet (any color other than beige), your port is most likely active already and what you really need is an IP address.
To request a network port activation, please complete the form below. Do not omit any information, otherwise there will be delays in processing. We will email you when your network activation is completed. If you have trouble connecting your machine to your port, please stop by room 116 for help.


JetBackup Management Console enables you to: Take care of all your web servers' backups from one easy-to-use user interface. Centralized alerts, as well as web server logs, give you the health of your backup system in seconds.
Product & Services
ABOUT INFORMATICS SYSTEMS
Informatics Systems is an information technology company in Bangladesh that provides information communication technology (ICT) solutions, products and services using ultra-modern technologies. We provide timely business information solutions. Our capacities involve web design, domain & hosting, software development, wireless technology, enterprise networking solutions, enterprise management, integration security technology, business intelligence, strategic delivery capabilities and a host of other ICT related services.
Let's get in touch
INFORMATICS SYSTEMS 3/8, North Pirerbag, 60 Feet
Main Road, Mirpur, Dhaka 1216
Phone: +88 09678247365
Email: Send Us an Email


After the success of Defy, Motorola has come up with an upgraded version of the phone in the form of Motorola Defy +. The handset has the same looks and dimensions as its predecessor but some notable changes have been made in the internal hardware and software front.
Motorola Defy + measures 107 x 59 x 13.4 mm and weighs 118g and fits nicely into one's hand. The phone is dust light and water proof (IP67 certified). As per tests conducted by Motorola, it can withstand exposure to up to 1 meter deep water for 30 minutes. At the front, you'll find a 3.7 inches TFT capacitive touchscreen display made of Corning Gorilla Glass. The display has a resolution of 480 X 854 pixels and supports up to 16 million colors. Other features include touch sensitive controls, multi touch supports, accelerometer and proxy sensors and much more. The handset comes with an internal memory of 2 GB which can be further expanded to up to 32 GB using an external microSD card. A 2GB microSD card is included in the phone box.
Motorola Defy + sports a 5 mega pixel camera which can take photos up to a resolution of 2592 X 1944 pixels as well as record videos at 30 frames per second. It also has an LED flash which means you can take high resolution photos even in low light conditions. Other features of the camera include geo-tagging, image stabilization, autofocus and much more. On the negative side, there is no secondary camera so you will not be able to make any video calls. Connectivity features include Class 12 GPRS with speeds up to 32-48 kbps, Class 12 EDGE, HSDPA with speeds up to 7.2 Mbps, HSUPA with speeds up to 2 Mbps and Wifi. You can transfer data to and from other devices through Bluetooth or microUSB. The handset is powered by a 1 GHz Cortex A8 processor and has 512 MB RAM. It runs on Google's Android operating system (Gingerbread) and uses Motorola's MOTOBLUR UI with Live Widgets. Motorola has not announced any upgrade for this phone so do not expect to run Android 4.0 (Ice Cream Sandwich) on it. You can listen to songs and watch videos using the inbuilt music and video player which offers lots of options like playlists, album art, etc. Pre-installed apps include Google Search, Google Maps, Gmail, YouTube, Google Talk, and much more.
Motorola Defy + is available in two colors – Black and White. If you loved the original Defy, you'll definitely love the Defy +.


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Eastern University provides wired network ports in every residence hall room, along with wireless access. We cannot allow the use of personal wireless routers and wireless access points as they interfere with the Eastern University wireless coverage provided in these locations. This will result in degraded network performance for all EU resident students.
The following is a list of the available networks at Eastern University:
This is the main network for Eastern University used by students, staff and faculty. To connect to this network, you will need to enter your Eastern username and password supplied by the university. This is a high security encrypted network providing a secure tunnel for all information transmitted.
This network is for guest internet access only for non-students and guests. This network provides unsecured internet access ONLY. Guest users are advised against the transmission of sensitive data when connected to this network.
To connect to Eastern-Guest, do the following:
1. Open your wireless connections list and search visible networks for Eastern-Guest.
2. Connect to Eastern-Guest by clicking on this selection.
3. Open a browser page and you should see an Eastern University User Agreement page displayed. Please read through our policy regarding Guest access.
4. Click Accept to accept the User Agreement.
5. On the Guest access page, please supply a valid email address to gain access and click "Login". You will then have Guest internet access.
This network is used for external wireless devices only. The password changes each semester. If you are trying to connect an external device, such as an Xbox, Roku, or, you will need to send us the MAC address of the device before you can connect it to this network. You cannot connect external devices to Eastern-Full or Eastern-Guest. Wireless Printers are not supported.


Vtiger Extensions: Click to Call for Increased Productivity
You can make calls from your computer or hardware phones with Click to Call extensions, and you can make them directly in Vtiger. Phone numbers are hot-linked in Vtiger records, Google, and Skype.
How Does this Improve Your Productivity?
Click to Call saves the valuable time it takes to dial the phone and if you make a large number of calls it is a must-have tool.
If you currently have a PBX system, please note that there is not an easy way to connect Click to Call with your system besides switching to a VOIP – PBX system. This most likely is not a cost-effective solution for you.
Where Can You Use Click to Call?:
Options to Configure with Vtiger:
VOIP – PBX System allows you to use either hardware phones or software phones (software phones – computer headset or USB phone for calls)
If your computer does not have telephone capabilities, you can add a browser-based app that will open a telephony system. First, install the ‘PBX Manager’ Module in Vtiger and then download and configure a telephony system. Telephony systems that hotlink phone numbers in Vtiger:
- Asterisk (Note: Open source option)
With the help of developers, you can also use (web-based Click to Call extensions with high-quality APIs):
- Vonage Connect
Both of the options allow for multiple extensions to be used on one account and saves money.
You can also add this function to Google and Skype:
- Click to Call Google Chrome extension here
- Works for Email Signature in Gmail
- Click to Call Skype extension here
Predictive Dialing with Five9 Integration
An integration that goes beyond VOIP – PBX is the Five9 Integration. It uses predictive dialing to call multiple contacts at once and when the first contact answers, it drops the other calls.
Contact us to learn more or for help with your Vtiger CRM!


I've been working on figuring out how to receive HTTP Headers via a request made with NSURLConnection. Typically a request is made with something as simple as the following:
NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
The only way I've personally found in Apple's abundant documentation to receive response headers is via a synchronous call using the following NSURLConnection class method:
+ (NSData *)sendSynchronousRequest:(NSURLRequest *)request returningResponse:(NSURLResponse **)response error:(NSError **)error
Here I can easily reference a response object of type NSURLResponse. The problem here is that I'm not ready to make synchronous requests via a mobile device, especially with a network that has high latency such as EDGE. Is it possible to get similar results with the default, asynchronous behavior of NSURLConnection?
UIProgressBar loading NSMutableDictionary
1:Prompting and Delegate question
-connection:didReceiveResponse:method. Results for performSelector: differ from standard dot notation call?If you're doing a standard HTTP request, the NSURLResponse object passed in will actually be an NSHTTPURLResponse object, and responds to the
-allHeaderFieldsmessage. How to add a breakpoint to objc_exception_throw?This should be what you're looking for.. How to specify an beginTime for an animation by using CFTimeInterval?


25 years of TCP/IP
Happy New Year! Happy 2008! It's the New Year, but we have also other things to be happy for. Today, in fact, it's 25 years from adoption by ARPANET of the TCP/IP protocol as a standard. Without TCP/IP, without ArpaNet, Internet would not exist at all, and you couldn't be reading this article. Let's see how the story goes. TCP (Transmission Control Protocol) is the protocol which controls data transmission: it checks sent and received data, lost and wrong data. It also provides retransmission of data in case of faulty receiving. TCP has been engineered over the IP protocol, which doesn't guarantee packets arrival and delays, to offer a reliable communication channel between two processes, made by a bidirectional stream of bytes. **IP **(Internet Protocol) is a packet network protocol. Currently the widest used version is IPv4, distinct from the more recent IPv6, created to better handle the growing number of devices connected to the Internet and, therefore, needing an *IP address. *An IP(v4) address is composed by four groups, divided by dots (.), of decimal numbers from 000 to 255 (i.e. from 000.000.000.000 to 255.255.255.255), with a total of 32bits and 232 available addresses (which will soon be saturated). An IP(v6) address, instead, is composed by eight groups, divided by colons (:), of hexadecimal numbers from 0000 to FFFF (i.e. from 0000:0000:0000:0000:0000:0000:0000:0000 to FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), with a total of 128bits and 2128 available addresses.


- (Arnon, 7 Nov) Introducing Bluetooth Smart: Part 1: A look at both classic and new technologies, and Introducing Bluetooth Smart: Part 2: Applications and updates, by Decuir, IEEE Consumer Electronics Magazine, 2014.
- Will IEEE 802.15.4 make ubiquitous networking a reality?: a discussion on a potential low power, low bit rate standard, by Zheng and Lee, IEEE Communications Magazine, 2004.
- (Guy, 14 Nov) Extending IP to Low-Power, Wireless Personal Area Networks, by Hui and Culler, IEEE Internet Computing, 2008.
- (Meital, 14 Nov) The 6LoWPAN architecture by Geoff Mulligan, EmNets 2007.
- (Tomer, 21 Nov) How low energy is bluetooth low energy? Comparative measurements with ZigBee/802.15.4, by Siekkinen et al, WCNCS 2012.
- (Anis, 21 Nov) Performance evaluation of IEEE 802.15.4 for low-rate wireless personal area networks, by Lee, IEEE Transactions on Consumer Electronics, 2006.
- (Shachar, 28 Nov) Securing communication in 6LoWPAN with compressed IPsec, by Raza, Duquennoy, and Chung, DCOSS 2011.
- (Ophir, 28 Nov) 6LoWPAN Compressed DTLS for CoAP, by Raza, Trabalza, and Voigt, DCOSS 2012.
- (Yotam, 5 Dec) AoT: Authentication and Access Control for the Entire IoT Device Life-Cycle, Neto et al., SenSys 2016.
- (Yaron, 5 Dec) MQTT-S — A publish/subscribe protocol for Wireless Sensor Networks, by Hunkeler, Truong, and Stanford-Clark, COMSWARE 2008.
- (Nabil, 12 Dec) Empirical Validation of Commodity Spectrum Monitoring, Nika et al., SenSys 2016.
- (Daniel, 12 Dec) SNOW: Sensor Network over White Spaces, Saifullah et al, SenSys 2016. (a bit more EE than the others).
- (Raed, 19 Dec) Passive Wi-Fi: Bringing Low Power to Wi-Fi Transmissions, Kellogg, Talla, Gollakota, and Smith, NSDI 2016.
- (Ammar, 2 Jan) BackFi: High Throughput WiFi Backscatter, Bharadia, Joshi, Kotaru, Katti, SIGCOMM 2015.
- (Nizan, 26 Dec) SpotFi: Decimeter Level Localization using WiFi, Zhang, Bharadia, and Katti, SIGCOMM 2015.
- (Binyamin, 26 Dec) WearDrive: Fast and Energy-Efficient Storage for Wearables, Huang, Badam, Chandra, and Nightingale, USENIX ATC 2015.
Commercial Applications of Wireless Sensor Networks Using ZigBee, by Wheeler, IEEE Communications Magazine, 2007. Wireless sensor networks: A survey on the state of the art and the 802.15.4 and ZigBee standards, by Baronti et al., Computer Communications (Elsevier), 2007.


Product Specification Sheet (In pdf Format)
The SATPAK-MG is a PCB carrier board that provides a convenient interface for the Rockwell Collins MicroGRAM GPS Receiver. The MicroGRAM contains a Selective Availability Anti-Spoofing Module (SAASM). The MicroGRAM utilizes two independent serial ports at CMOS levels for communication. The SATPAK-MG provides CMOS to RS-232 level translation for each communication channel. A jumper on the SATPAK-MG allows the user to select CMOS or RS-232 signal levels for each channel. The MicroGRAM generates a 1 pulse per second (1PPS) output at CMOS levels that the SATPAK-MG provides on the interface connector. The MicroGRAM also supports a 1PPS input that is available on the SATPAK-MG interface connector. The MicroGRAM uses DS-101 and DS-102 keyload signals at CMOS levels. The SATPAK-MG provides CMOS to RS232 level conversion for the DS101 signals. The SATPAK-MG also provides signal level conversion for the DS-102 keyload signals. The SATPAK-MG/MicroGRAM combination can operate from a 3.3 VDC or 5.0 VDC power source. The auxiliary voltage to the MicroGRAM is input via the SATPAK-MG interface connector.


Wray - the first Lancashire wifi network hotspot, welcome to the scarecrow village!
To provide a little background about the Wray Broadband project - This was a project which started in 2003 by Lancaster Universities Computing Department with the goal of providing villagers in Wray with access to the Internet for the first time. In 2010 it underwent a major upgrade, with a new set of devices deployed to the village created by Lancaster University. The network is now capable of providing connectivity to individuals far beyond what a typical UK household would typically receive. The high speed network is now used by researchers for a number of research projects, including the next generation of TV distribution – the P2P-Next project http://www.p2p-next.org.
For more information on the Wray Broadband Project by Lancaster University please see http://www.infolab21.co.uk/livinglab/
The village also hosts the digital noticeboard project and the OurTravel TSB research volunteers.
Our Travel press release click here
The Dart project Wray Tv Avanti viewer
info @ wraycomom.org.uk