Electronics

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Electronics Suppliers and Manufacturers

Telecommunication

Find Telecommunication from the best B2B online marketplace. Find a reliable Telecommunication supplier, vendor, manufacturer or distributor to get free quote on HKTDC Sourcing.

Telecommunication Suppliers and Manufacturers

Shenzhen Qiaohua Industries Limited

This wireless door phone features a transmitting distance of up to 200 meters in the open air. It&nbsp;comes with a battery operated or plug-in design&nbsp;and is&nbsp;easy to install without&nbsp;wire. The volume of music is adjustable with a choice of flash, ring or a combination of both.

 
  FCC, CE and RoHS compliant. 
  Transmitter/bell push IP44 waterproof. 
  1 million sets of auto-learning codes to avoid interference. 
  Energy saving, transmitter battery can be used for over 15 months, and receiver batteries for at least 6 months. 
  Frequency: 315MHz&plusmn;0.5MHz, 433MHz&plusmn;0.5MHz. 
  Active pressure wave (receiver): &le;-57dBm. 
  Negative pressure wave (transmitter): &le;-36dBm. 
  Power supply (receiver): 3 x 1.5V AA. 
  Power supply (transmitter): 1 x 3V CR2032. 
  Quiescent current: &lt;250uA. 
  Transmit power: &lt;10mW. 
  Operating range: 200 meters (open area). 
  Sound options: 36 polyphonic, melodies. 
 

200-Meter Wireless Door Phone

Futronix Co.

Features: Easy to useHelp to increase users efficiencyHelp to determine where a cable is and whether the cable is broken or notIdentify a cable from a bundle of cablesTrendy lookHeadset support for working in noisy areaBuzzer tone is changeableBuzzer loudness adjustableLight for working in dark environmentsModels for next generation wire trackers are also available Specifications: WT22BTracing network / phone cableYIdentify wire pairs and quality of wire connectionsYTesting network and phone circuit voltageYContinuity TestYTracing signal transmission distance1kmOutput signal level~15Vp-pFlashlightYLoudness AdjustableYHeadset available(for working in noisy area)YChange of buzzer tone for identification of buzzer soundYLow Battery IndicationYAuto Power OffYPower byTransmitter : 1.5V (AA) x 3Receiver : 9V (6F22)

Wire Tracker (WT22B)

Features: - • Network (RJ45) / Phone (RJ11) Cable Connection Test;• Able to test UTP and STP cables;• Suitable for CAT 3, 4, 5, 5e, 6, 6A, 7, 7A, 8/8.1 and 8.2 cable;• Identify / Trace the target wire among plenty of wires (suitable for network cables, phone lines and coaxial cables);• Short-circuit, breaking circuit, open circuit and crossing checking;• Auto scan mode rapidly test corresponding LAN cable connectivity (1,2,3,4,5,6,7,8) to judge wrong connection or short/open circuit;• Tracing cables connected to ethernet hub with POE support;• Audio and visual indication;• With digitalized signal to minimize the noise;• Audio output to earphone for working in noisy environments;• Sound level adjustable to suit for working in different environments;• Bright white LED flashlight for dark environments;• Auto Power Off to save battery power;• Trendy Look;• Easy to use;• Help to increase users efficiency.  Specifications: - WT22EAnalogue Cable TracingYDigitalized Cable TracingYTracing cables connected to ethernet hub with POE supportYIdentify wire pairs and quality of wire connectionsYVoltage Polarity CheckingYContinuity TestYTracing signal transmission distance3kmOutput signal level~23Vp-pVibration inducationYFlashlightYLoudness AdjustableYHeadset available (for working in noisy area)YChange of buzzer tone for identification of buzzer soundYLow Battery Indication (Transmitter)YAuto Power Off (Transmitter)YPower byTransmitter :1.5V (AA) x 3Receiver :9V (6F22)

Wire Tracker (WT22E)

Features: - • Network (RJ45) / Phone (RJ11) Cable Connection Test;• Able to test UTP and STP cables;• Suitable for CAT 3, 4, 5, 5e, 6, 6A, 7, 7A, 8/8.1 and 8.2 cable;• Identify / Trace the target wire among plenty of wires (suitable for network cables, phone lines and coaxial cables);• Short-circuit, breaking circuit, open circuit and crossing checking;• Auto scan mode rapidly test corresponding LAN cable connectivity (1,2,3,4,5,6,7,8) to judge wrong connection or short/open circuit;• Tracing cables connected to ethernet hub with POE support;• Audio and visual indication;• Audio output to earphone for working in noisy environments;• Sound level adjustable to suit for working in different environments;• Bright white LED flashlight for dark environments;• Auto Power Off to save battery power;• Trendy Look;• Easy to use;• Help to increase users efficiency.  Specifications: - WT22AAnalogue Cable TracingYIdentify wire pairs and quality of wire connectionsYTracing signal transmission distance1kmOutput signal level~15Vp-pFlashlightYLoudness AdjustableYHeadset available (for working in noisy area)YChange of buzzer tone for identification of buzzer soundYLow Battery Indication (Transmitter)YAuto Power Off (Transmitter)YPower byTransmitter :1.5V (AA) x 3Receiver :9V (6F22)

Wire Tracker (WT22A)

Features: - • Network (RJ45) / Phone (RJ11) Cable Connection Test;• Able to test UTP and STP cables;• Suitable for CAT 3, 4, 5, 5e, 6, 6A, 7, 7A, 8/8.1 and 8.2 cable;• Identify / Trace the target wire among plenty of wires (suitable for network cables, phone lines and coaxial cables);• Short-circuit, breaking circuit, open circuit and crossing checking;• Auto scan mode rapidly test corresponding LAN cable connectivity (1,2,3,4,5,6,7,8) to judge wrong connection or short/open circuit;• Tracing cables connected to ethernet hub with POE support;• Audio and visual indication;• With digitalized signal to minimize the noise;• Audio output to earphone for working in noisy environments;• Sound level adjustable to suit for working in different environments;• Bright white LED flashlight for dark environments;• Auto Power Off to save battery power;• Trendy Look;• Easy to use;• Help to increase users efficiency.  Specifications: - WT22FAnalogue Cable TracingYDigitalized Cable TracingYTracing cables connected to ethernet hub with POE supportYIdentify wire pairs and quality of wire connectionsYTracing signal transmission distance3kmOutput signal level~23Vp-pFlashlightYLoudness AdjustableYHeadset available (for working in noisy area)YChange of buzzer tone for identification of buzzer soundYLow Battery Indication (Transmitter)YAuto Power Off (Transmitter)YPower byTransmitter :1.5V (AA) x 3Receiver :9V (6F22)

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