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3000M 400mW RF Wireless Transmitter Module: TB-05

Price: US $22.00

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  • Model: 0021038 (TB-05)

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  • Model No.: 0021038 (TB-05)
  • Dimensions: 49mm x 31mm x 8mm
  • Working Voltage: DC 6~9V
  • Working Current: 100~250mA
  • RF Sensitivity: -107dBm
  • Transmitting Distance: 3000m / 9000ft (in open field)
  • Transmitting Power: 26dBm (400mW)
  • Modulation Method: Amplitude modulation (ASK or OOK)
  • Encoding Mode: Fixed code by Soldering
  • Working Temperature: -20°C ~ +70°C
  • Frequency: We can offer 315 MHz or 433.92 MHz, you can choose one
  • Oscillation resistor / Timing resistor: We can offer 1.2M, 1.5M, 1.8M, 2.2M, 3.3M or 4.7M, you can choose one.
  • Reliable Control: Use an 8-bit code (Encoding).
  • Stable performance; using SAW (surface acoustic wave) to stabilize frequency
  • Wide working voltage range, large transmitting power and long transmission distance


  • Used for wireless calling system, burglar alarm, wireless data transmission, auto data collection system and so on.
    Applied with our receivers


  • The transmitting frequency, encoding mode and timing resister should be compatible with the receiver.
    It is best to use the antenna of 1/4 wavelength, for antenna has a great impact on receiving effect of the module; normally using 50Ω single core cable. For frequency 315MHz, the length of antenna is about 23cm; for 433MHz, it is about 17cm.
    The position of antenna also affects the receiving effect of the module. When installing the antenna should be extended as much as possible and be away from the shield and the place in high pressure and interference

Introduction of pin:




data pin


data pin


data pin


data pin


positive power supply


negative power supply




  • Firstly, connect the positive of power to the pin of +9V and negative of power to GND. In the meanwhile, connect any one data pin of D0 ~ D3 to the pin of +9V. Then it will transmit the corresponding signal.
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