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    HC-12 433Mhz SI4438 Wireless Serial Port Module 1000M Replace Bluetooth with Antenna

    $9.90

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    About this item

  • Module Size: 27.8mm*14.4mm*4mm; Power Supply Voltage: 3.2V~5.5V. (If the module is to be in the transmitting state for a long time, it is recommended to connect a 1N4007 diode in series when the power supply voltage exceeds 4.5V to avoid the built-in LDO heating of the module).
  • Default Factory Setting: working mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).
  • Module size: 27.8mm*14.4mm*4mm
  • Default Communication Distance(open field test): about 600m (the communication distance can be adjusted up to 1000m, the air baud rate is 5000bps).
  • Default idle current: 16 ma