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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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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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Lightning Surge Simulators
LSS Series
A simulator to reproduce “High energy induced lightning noise” which is induced by potential change on the ground, or done to power lines or telephone lines as result of lightning current.This immunity test is required by major standards including IEC61000-4-5 and JEC 210/212 and is widely used in many industries.
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Multimeter with Cable Checker Phone Test Lan Wire Test
VA43
Shanghai Yi Hua V&A Instrument Co., Ltd. CO.,LTD
Lan Telephone test multimeter: VA43 is a multimeter with lan wire test. phone test .cable check.
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Cable Verifiers
VDV II Series
The new VDV II Series are easy to use cable testers that check the integrity of copper cables commonly found in domestic, commercial or industrial voice, data or video installations, including telephone wiring, data network and video/security cabling.
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Cable Tracing
High-power tone generator enables signal detection over 20 miles away and makes tracing through walls and enclosures easier with multiple tones and power levels suited for network, signal wire, coax, and telephone cable applications.
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Cable Tester
SS8681 Series
The SS8681 series cable 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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AC / DC - Power Supplies
The spectrum of DC power supplies ranges from simple power adapters with only one output voltage to complex controllable power sources. Power adapters, often also called plug-in mains adapters, are mainly used for small electrical appliances (such as telephones, strings of light, notebooks, etc.) in private households. They are included in the scope of delivery of the product and only serve to supply power with a defined output voltage of 6 V or 12 V, for example. The output power is usually limited to < 200 W due to the simple design.
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Dial Up Modem Test
ModemTest 1.3
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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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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Acoustic Transducer
RESON TC 1026
Ideal for taking long or short baseline measurements, the TC 1026 is a powerful communications transducer for transponder, telephone and acoustic telemetry systems.
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Public Switch Telephone Network Tester
295B
The Testphone 295B is a test telephone designed for use on Public Switched Telephone Networks (PSTN). It is designed for use on both Dual-tone Multi-frequency (DTMF - tone dialling) and Loop Disconnect (LD - pulse dialling) lines. Fitted with an integral ADSL filter, the telephone will not cause interference when connected to ADSL/Broadband lines in either `on hook` or `off hook` mode.
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Professional Cable Tester
1EA560
Multifuncional tester with LCD display enables to show wire maps and combination of pairs and their lenghts. It also measure the lenght until the broken line / cable. It is suitable for CAT5, CAT5E, and CAT6 cables. With special interface is also suitable for testing of coaxial and telephone cables. It has special unit for testing of cable ends in the other room.
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Cable Fault Locator-TDR
TM800N
TM800N Cable Fault Locator (hereinafter to be referred as TM800N) is used for test est cable break, short circuit faults of telephone cable, data cable, high frequency cable, coaxial cable,and so on.
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VDV & USB Cable Tester
PK-2016/2016R
The VDV & USB cable tester is designed for testing today’s media computer networks which combination of telephone USOC (voice), twisted pair (data) and coax security / alarm (video) as well as PC-USB 2.0 3.0 cables.
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Doorbell And Telephone Detector
ELK-930
he ELK-930 performs three functions. It can detect ring activation from one or two doorbell buttons and a single telephone line. It conveniently isolates the voltage and current and produces an open collector (pull to ground) output which can be used to trigger an automation controller, relay, timer, etc.
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Countermeasures Amplifier
CMA-100
CMA-100 Countermeasures Amplifier is a high gain audio amplifier used to detect and identify certain types of surveillance devices attached to building wiring such as telephone wiring, LAN and server systems, AC power, and alarm wire. The CMA-100 Countermeasures Amplifier functions employ a sophisticated automatic gain control circuit that is superior to most audio amplifiers.
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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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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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Telephone Communications
Rugged land-line modems are ideal for use in the field. Voice-synthesized modems enable you to access your data via voice or to send your data to a computer.
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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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Dual Mobile Communications DC Source w/ DVM
66309D
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 66309D 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 half rack box) and eliminates the need for two separate power supplies.The 66309D dc source provides all of the capabilities of the 66309B with the addition of a built in digital voltmeter.
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Compliance Testing
American Environments Co., Inc.
The American Environments Company, Inc. (AECO) provides comprehensive compliance testing services. Our laboratory is fully equipped to provide Electromagnetic Testing, Environmental Simulation Testing and Dynamic Testing. Compliance requirements are related to the marketplace being serviced. AECO provides compliance services for: Products Exported to Europe, FCC, Telephone Network Equipment and Medical Devices.
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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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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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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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Mobile Comm DC Source w/ Battery Emulation
66321B
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 66321B 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 66321B 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.
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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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Outdoor AGC Optical Node
SR812
Hangzhou Softel Optic Co., Ltd.
Based on plenty of experience about CATV HFC network optical fiber transmission equipment, we developed SR812, SR812B, SR814, SR814B 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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Kitting
Astronics' manufacturing and kitting capabilities offer the most cost-effective and high-quality system installation kits for IFE, Broadband, Wi-Fi, TCAS, GPS, EGPWS, FMS, SatComs, IFE, DBS TV, Air to Ground Telephone, BRNAV, VHF and HF Communication systems.
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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.
