Telephone
convert voiced sound to an electric signal for transmission over a network.
See Also: Phone, Telephony, Geophones, Headphone, Hydrophones, Microphones, DTMF
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Product
Thyristors
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ProTek's Thyristor Surge Suppression devices are designed to protect telecommunications equipment against lightning and transients induced by AC power lines. These devices are ideal for use in central office equipment, PBX, DSU, OCU, digital telephones, fax machines, modems and radio controlled equiment.
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Product
McMurdo FastFind - Wrist Lanyard
10-91-060-001A Fast Find 210
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10-91-060-001A Fast Find 210 - standard model with GPS for extra fast position location Announcing the amazing new McMurdo FastFind Satellite Personal Locator Beacon (PLB): the most compact, waterproof and versatile 406 MHz emergency location beacon available on the market today.The Fast Find is a 406 MHz Personal Location Beacon (PLB) that should be carried by individuals, who are embarking on trips into areas around the world where there is little or no other forms of communication or where other forms of communication are unlikely to work. The Fast Find acts as your personal Emergency Location Beacon, it is your last resort communication to the national and international search and rescue bodies and it should not be misused. The Fast Find is designed as a direct communication, to the 406 MHz Search and Rescue satellite system, its signal indicates that you are in need of urgent response and assistance. The location of a McMurdo Fast Find 210 GPS PLB can be determine to a typical positional accuracy of about +/- 62 metres (0.03 miles) within a few minutes of PLB activation. McMurdo FastFind PLB Manual (.pdf)Its small size belies its rugged construction and powerful output. There is no compromise. Once activated, the distress beacon will send out a signal for help, and continues to transmit for at least 24 hours, at a powerful 5 watt output, ensuring that your call for help gets through whatever the conditions. The pocket sized beacon transmits at the press of a button, to alert search and rescue services to your plight.McMurdo FastFind PLB is an essential piece of life-saving equipment, weighing in at just 5.3 oz (150g) and having the size of an average mobile telephone (actual dimensions being 1.34”/34mm x 1.85”/47mm x L 4.17”/106mm) it will slip into the smallest pocket or backpack compartment. The user can activate it in the most remote locations around the world: on land, at sea or in the air, and can be confident of being able to contact the world’s professional search and rescue services directly if they are to encounter a possibly life-threatening situation.McMurdo FastFind PLB comes equipped with an integral 50-channel GPS system and complies with rigid federal and international standards. It operates on the global COSPAS SARSAT 406MHz search and rescue satellite communication system, so a call for help will be acted upon…and fast. The McMurdo FastFind PLB is subscription FREE and does not rely on any commercial call centers. THE McMurdo FastFind PLB model transmits two signals simultaneously: a global 406 MHz signal and a 121.5MHz local signal. Once activated, McMurdo FastFind PLB’s signals will continue to transmit for at least 24 hours, at a powerful 5 watt output, the 406 MHz transmission ensures that a call for help gets through, no matter what the conditions. McMurdo FastFind PLB also includes a unique flashing SOS LED light to further assist in speeding up the user’s recovery time during night rescues.McMurdo FastFind PLB will operate in temperatures as low as -20°c and its integral battery has a user storage life of 5 years, so there’s no need for frequent battery changes or re-charging.Put a McMurdo FastFind PLB in your pocket, and get found fast.
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Product
IT Infrastructure, Asset And Connectivity Management System
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CableSolve is an enterprise ready Connectivity and Infrastructure Management System that provides portable and end-to end management, and documentation of the IT infrastructure and network connectivity. Manage your entire physical infrastructure from the structured cabling to the switches, routers, and PABX’s all the way to the outlets, desktop PCs and telephones. The desktop component provides end-to-end management, reporting and control while providing portable management of the connectivity infrastructure with the use of one or more Pocket PCs with integrated barcode scanner for extra mobility and flexibility.
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Product
Outdoor AGC Optical Node
SR814
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Hangzhou Softel Optic Co., Ltd.
Based on plenty of experience about CATV HFC network optical fiber transmission equipment, we developed SR802, SR802B, SR804, SR804B series field optical receiver which is two-way optical receiver; They are mainly used in long-distance optical fiber transmission of TV image signal, digital TV signal, telephone voice signal and data (or compressed data) signal. We are innovating the product technology, rebuilding the line structure and Improving the process quality since we developed the first CATV optical receiver successfully in 1995; The current WR series optical receiver are not only of the lead position in domestic level regarding line technique, but also the same as imported product regarding technological quality; We have developed a variety of different models for users to choose models.
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Product
Cable Length Testers
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Shenzhen Noyafa Electronic CO.,LTD
NOYAFA Cable Length Tester is a multi-function device with functions of measuring cable length, cable tracking, cable continuity test, PoE and PING, and can also detect the presence of voltage. It is widely used in telephone systems, computer networks, construction and other fields.
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Product
SparkFun RJ11 Breakout
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This is the SparkFun RJ11 Breakout, two simple breakout boards for the common 6-pin RJ11 connector. These little boards can easily have one of our RJ11 6-Pin Connectors to work with common telephone cables. Each board features standard B/R/Y/G (Black/Red/Yellow/Green) labels on the top of the board to match a standard telephone wire. Additionally, each board has pin numbers on the back side that match with the pins on the connector.
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Product
Commercial-Quality Multiline Phone Scanner
PhoneSweep®
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A tested and trusted commercial-quality multiline scanner, NIKSUN PhoneSweep® is a fully documented auditing tool - every "sweep" surveys telephone systems for entry points before they can be exploited by attackers.
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Product
Telecommunication Networks
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Switching systems are the nerve centre of any telecommunications network, providing interconnectivity for the various users of the network. Sri Comm has been very active in this core component, installing over 40 telephone exchanges throughout the country since 1975. Various types of exchanges including electromechanical, ESK and stored programme or computerized exchanges have been installed over the years. In total some 400,000 subscribers have benefited from these projects. More recently, systems incorporating technologies involving DDN, AN and FMK systems have also been implemented.
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Product
Network Management
Neuron System
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Integrated management: Displaying current status of optical cable installation and location of fault using GIS - Facility management: Establishment of database as to the information of such physical communication facilities as communication device, cable, manhole, and telephone pole.- Recovery management: Enabling quick recovery by sending maintenance personnel to exact location in the event of fault.- Preventive management: Providing preventive measure against fault by prediction of fault due to heat deterioration of optical cable.
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Product
Passive FTTx
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Shenzhen Wiitek Technology Co.,Ltd
Fiber to the x (FTTX; also spelled "fibre") or fiber in the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications. As fiber optic cables are able to carry much more data than copper cables, especially over long distances, copper telephone networks built in the 20th century are being replaced by fiber.
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Product
Test Set
TS® 22
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The TS22 Test Set’s unique built-in one-way amplified speaker provides three audio levels for hands-free listening and use with automated voice response systems. Multiple memories enable storage of nine 18 digit telephone numbers in repertory dialer (speed dialing) for easy access to test boards, the central office and other frequently called numbers. The last number redial feature eliminates the need to re-key your last entry. The TS22 Test Set offers an unbeatable combination of reliability, durability and expanded utility.
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Product
RF Amplifier
SA822
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Hangzhou Softel Optic Co., Ltd.
SA822 860 MHz outdoor distribution amplifiers are mainly used for bidirectional trunk transmission of CATV television image signal, digital TV signal, telephone voice signals and data (or compressed data) signal.
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Product
Telephone Wire Cable Tester For Testing Continuity With Sender And Receiver
PHCT55
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The PHCT55 is a two-piece item that tests telephone wire continuity. Play a test tone on one end and listen on the other, judge continuity, and diagnose break points.
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Product
Dial Up Modem Test
ModemTest 1.3
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Test your dial up modem and telephone line for errors and connection speed. A local loopback test is provided as well as a master / slave test. The master / slave test requires 2 modems and 2 telephone lines. ModemTest is compatible with most dial up modems. (9.6 - 56Kbits)
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Product
EMF Measurements Antennas
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An isotropic antenna that allows to carry out radiated emission and environment exposure measurement (elettrosmog) to the radio frequencies in proximity of radio and television stations and repeaters for mobile telephone.
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Product
Split-box Pipe & Cable Locator
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Weshine Electric Manufacturing Co., Ltd
Pipe Locator is specially designed to detect pipes, sondes, telecommunication lines buried utilities. This device may detect buried power cables, CATV cables, gas and water pipes, sewer lines, telephone cables, fiber optic cables with sheath, sondes, inspection camera transmitters. The Transmitter emits a signal.















