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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


Showing results: 121 - 132 of 132 items found.

  • FCC Testing and Certification

    Washington Laboratories LTD.

    Washington Labs provides FCC Testing and has many years of experience and expertise in the following:FCC Part 15 Testing for Computing Devices, Cordless Telephones, Satellite Receivers, TV Interface Devices, Receivers, Low Power Transmitters, and Spread Spectrum Transmitters, UNII & others.FCC Part 22 Testing for Cellular TelephonesFCC Part 25 Testing for Satellite CommunicationsFCC Part 90 Testing for Private Land Mobile Radio Services – Includes Paging Devices and Mobile Radio TransmittersFCC Part 95 Testing for Personal Radio ServicesFCC Part 18 Testing for Industrial, Scientific, and Medical Equipment i.e. Microwave, and RF Lighting Ballast (ISM)FCC Part 24 Testing for Personal Communications SystemsFCC Part 80 Testing for Marine Radio Transmitters

  • Outdoor AGC Optical Node

    SR814B - 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.

  • Outdoor AGC Optical Node

    SR814 - 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.

  • 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.

  • 100 Watt Dynamic Measurement DC Source, 20V, 5A

    66332A - Keysight Technologies

    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 66332A Dynamic Measurement dc Source provides dynamic measurement and analysis of voltage and current waveforms. It is ideal for testing digital wireless communications products/components because it not only provides the power for testing, but also performs the peak current measurements required to characterize the pulsed current demands of these products.

  • Dual Mobile Comm DC Source w/ Battery Emulation

    66319B - Keysight Technologies

    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.

  • Cable Tracers

    162 CB - Standard Electric Works Co., Ltd

    Filter Probe● Works with any Tone Generator to identify wires.● Volume control for increasing sensitivity and adjustable to suit work environment.● 2 operation modes: Filter on / Filter off.● The auto-off function (5 minutes) prevents battery consumption.● Power supply is available in any 9V battery with a life of approximately 50 hours.● A phone jack is designed for headset or handset.● Flashlight function.Tone Generator● Tone Generator is a great tool for locating and identifying cable pairs or individual conductors.● 162 CB-G doesn't only provide the function of a tone generator, but also serves as a continuity and polarity tester.● A tone selector switch located inside the unit for selection of the fast tone or the slow tone.● Two bi-colored LEDs for Line1 and Line 2 indication of the polarities of the telephone lines.● The unit has alligator type terminals, a modular cable of 4 conductors with a strong connector.● The tone and continuity functions are only applied to Line1. (Modular connector)

  • Dual Mobile Communications DC Source w/ DVM

    66309D - Keysight Technologies

    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.

  • Mobile Comm DC Source w/ Battery Emulation

    66321B - Keysight Technologies

    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.

  • Mobile Comm DC Source w/ Battery Emulation, DVM

    66321D - Keysight Technologies

    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.

  • McMurdo FastFind - Wrist Lanyard

    10-91-060-001A Fast Find 210 - Landfall Navigation

    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.

  • McMurdo FastFind - Neck Lanyard

    10-91-060-002A Fast Find 210 - Landfall Navigation

    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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