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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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Copper Telecommunications Test
Noise and transmission problems are constant battles in the best of worlds. With emerging technologies like IP-video over DSL delivered to the customer over existing copper pairs, it's more vital than ever for telephone companies to test and maintain their outside copper plants.
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Telephone, Exchange & DSLAM Tester
ETET 30
Exchange, Line, Phone, ADSL/VDSL DSAM test, Modem detection.
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Fixed Telephone Communication
PBE provides Fixed Phone Voice Communication for safe, efficient and reliable underground operation.Two-way voice communication underground is a necessity to provide a safe and productive work environment. PBE offers a number of fixed phone solutions that can be deployed to provide secure voice communications. Solutions can be analogue or digital and be either stand-alone or integrated into PBX and mobile infrastructure.PBE Fixed Telephones provide clear and undistorted communication throughout the entire underground phone system. PBE telephone networks are compatible with other analog and VoIP phones on the market today which allows to combine different products for a complete communication system above and below the ground.
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FCC TCB Services
As a TCB, we perform the evaluation of testing for radio and telephone equipment that was previously the sole responsibility of the FCC. Eurofins is authorized to issue Grants of Equipment Authorization for any equipment for which there is a defined rule part and procedure within Title 47 of the Code of Federal Regulations. Following the issuance of this grant, the grantee will be free to begin marketing the device in the United States.
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DC Insulation Testing
Weshine Electric Manufacturing Co., Ltd
Cable harness tester is used for test and measure wire cable harness,wire harness, like as : auto cable, audio cable, power cable, network cable, telephone cable, USD cable, HDMI cable,video cable, etc. .
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Network Toner & Probe Kit
MT-7028
The MT-7028 lets you easily locate and verify the cable status and troubleshoot wiring for continuity, shorts, opens and crossover on RJ45 Lan cable Cat 55e67 (UTP/STP)RJ11/12 Telephone cable Cat. 3 (2/4/6 pin) & normal solid/Stranded wire by alligator clips patch cord. Ideal for all installation and maintenance fields of telecommunication, networking, datacom, Audio/Video, cable TV, and all weather cabling, etc.
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Acoustic Transducer
RESON TC 1037
Originally designed for underwater telephone systems, the TC 1037 is a rugged directional transducer ideal for operating at low frequencies.
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Cable Detectors
PeakTech Prüf- und Messtechnik GmbH
This cable detector works acoustically and offers a quick and inexpensive solution to find voltage-free lines in the house installation, to test telephone lines, to identify individual cables / wires or to carry out a continuity test.
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LAN/Ethernet/Telephone Cable Tracker & Tester
PHCT65
Trace Telephone Wire and LAN CableTrace Wires In Electrical SystemVerify LAN Cable ConditionContinuity TestDC Voltage ProbeBright White LED FlashlightSold as : Unit
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8 Port Phone Line Simulator (FXS) Adv
CH-8FXS-A
This unit has 8 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, modems, access servers, audio conference equipment or anything that requires phone lines. Telephone line simulator acts like a "telephone company in a box" providing dial tone, ring voltage and all advanced phone line features such Caller ID, Call Waiting, Call Hold, Three Way Calling and many others.
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Dual Mobile Comm DC Source w/ Battery Emulation, DVM
66319D
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.
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PSTN Network Analyzers
E1 & T1, Data, DSL, Protocols, BER Analyzers
With 20 years of experience in the development and production of test instruments, GAOTek is proud to provide a large selection of PSTN analyzers that meet the requirements of technicians working in the telecom industry for sale to the United States, Canada and Globally. Public Switched Telephone Network (PSTN) was designed to ease the two-way communication between two points or two users. In the beginning, a direct connection between two points was very simple, however the cost was too high depending on the distance and geography. The network engineers revolutionized voice communications by creating PSTN which is still in use today.
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Conformity Assessment
For FCC approvals, we operate an accredited Telecommunications Certification Body (TCB).The TCB system was implemented in 2000 by the Federal Communications Commission (FCC). It was created to allow the FCC to step out of the product approvals role, and to focus more on regulating and market surveillance.Until this system was implemented, most products which intentionally radiate radio frequency energy, and products which connect to the public switched telephone network, were required to be certified with the FCC. This usually meant waiting several months for an approval to sell your product. Compatible Electronics TCB (CETCB) can certify these types of products generally in less than two weeks.
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RF Amplifier
SA812
Hangzhou Softel Optic Co., Ltd.
SA812 860mhz CATV outdoor trunk amplifier are mainly used for Bidirectional trunk transmission for CATV television image signal, digital TV signal, telephone voice signals and data (or compressed data) signal.
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16 Port Phone Line Simulator (FXS) Adv
SIM-16FXS-A
This unit has 16 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, modems, access servers, audio conference equipment or anything that requires phone lines. Telephone line simulator acts like a "telephone company in a box" providing dial tone, ring voltage and all advanced phone line features such Caller ID, Call Waiting, Call Hold, Three Way Calling and many others.
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IP Telephony
PLANET integrated HD VoIP solution consisting of IP PBX system, VoIP gateway, VoIP phone, IP intercom and IP paging, and analog telephone adapter features wideband-compliant, crisp and clear sound quality. PLANET IP telephony products support enterprises of all kinds to expand offices and branches in new locations.
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Cable Length Testers
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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Handsfree Telephone Communication Tester
TestPhone 850
The TestPhone 850 provides both handset and handsfree telephone communication. The product provides a standard Public Switched Telephone Networks (PSTN) interface, user interface and handset and/or handsfree vocal interface to allow the user to originate or answer standard PSTN calls on both Dual-tone Multi-frequency (DTMF - tone dialling) and Loop Disconnect (LD - pulse dialling) lines. In addition the product features on-hook audio line monitoring, PSTN line polarity indication, automatic on-hook/power-off and integral ADSL digital line filtering.
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Telephone Line Testers for POTS / Analog Line
*This analog line tester is suitable for all instalers installing telephone equepement on POTS line.*Led indications signaling the status of analog line.
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Frequency Extenders
A frequency extender is an electronic device that allows high-fidelity analog audio to be sent over regular POTS telephone lines, without the loss of higher audio frequencies. It is an extended concept of a telephone hybrid.
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Telephone Attenuators & RFI Filters
Despite the growth in digital and fiber systems, many telephone companies still require basic line treatment products. Wilcom's hard-to-find line treatment products help the telecommunications industry deliver the performance the customer expects. Products include line powered amplifiers and RFI filters.
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Dual Mobile Comm DC Source w/ Battery Emulation
66319B
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections. The Keysight 66319B dual output mobile communications dc source provides two outputs for testing both the main battery power and the battery charger circuitry, allowing customers to test phones and chargers with the same equipment. This feature helps save on rack space (2 outputs in a rack box) and eliminates the need for two separate power supplies.
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Mobile Comm DC Source w/ Battery Emulation, DVM
66321D
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.The Keysight 66321D mobile communications dc source provides fast transient response, exceptional sourcing, output resistance programming, and precision measurement. This product is specially designed for testing next generation digital wireless communications products. The 66321D mobile communications dc source offers a new capability that simulates the internal resistance of a battery or battery pack. Additionally, these high performance models offer improved transient response and stable output operation with either short or long load leads. The 66321D dc source provides all of the capabilities of the 66321B with the addition of a built-in digital voltmeter.
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Open Circuit Locator
A994
The A994 is an open circuit locator for electric and telephone cables wind on the reel; it gives the position of the fault from the inside or outside end of the cable, in percentage to the total cable length. The instrument measures the ratio of the capacitances of the two sections of failed conductor using two high precision i/v converters. The advantage of this method is due to the fact that the measurement error depends almost exclusively on the dimensional inhomogeneity of the cable. The A994 has the unique feature to permit the location of fault in cables with all broken wires. This instrument locates breaks in cables with a total capacity between 2 nF and 5 uF. The distance to fault is displayed on a large LCD display.
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Solid-State Demand Recorder
SSR-6000
The TransData SSR-6000 is a Load Profiling Interval Pulse Data Recorder used for recording and profiling pulse data received from electricity, gas and/or water meters. The SSR-6000 features a cover-mounted optical port and remote communications via integrated digital cellular, ethernet, telephone modem or RS232 communications options; and includes totalizing capability for aggregated metering applications.
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Telephone Line, PCM and Other Copper Wire Tester
Wuhan Sunma Technology Co., Ltd.
SunmaFiber Tel Line, PCM and Other Copper Wire Tester is developed for the fault testing of local telephone circuit using internationally advanced measuring technique in connection with the current situation of domestic telephone network. The instrument is of portable structure, and specially designed for the use of telecom and exchanger room operating staffs, line attendants, mobile phone servicing staffs and etc.
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Manikins for realistic simulation of the acoustic properties of a human
Head & Torso Simulators
If you need to carry out realistic in-situ measurements of headphones, telephones or hearing aids, you need a Head and Torso Simulator such as the B&K ‘HATS’ – Type 4128D or GRAS’ Kemar to complete your test setup. These manikins have built-in ear and mouth simulators that provide a realistic reproduction of the acoustic properties of an average adult human head and torso. They are commonly used for tests on telephone handsets, headsets, audio conference devices, microphones, headphones, hearing aids and hearing protectors. Please contact your sales engineer or email sales@listeninc.com for more information.
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Structured Wiring
Structured wiring refers to a whole-house network of audio, video, data, telephone, television, home automation or security signals. This wiring can be installed when a home is being built. It may be put in during a remodel. Structured wiring can also be added on its own.
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SparkFun RJ11 Breakout
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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Telephone Line / Load Analyzer
TLLA-2500 Pro
Detects and Alerts the user of almost ANY Telephone Wiretap (Tap), even from the Telephone Central Exchange (REMOBS), with the added ability of defeating common types of wiretaps.
