The HC-42 6pin Bluetooth 5.0BLE Serial Port Module is a new generation of digital transmission module based on the Bluetooth BLE V5.0 Bluetooth protocol. The working frequency band is 2.4GHz ISM, and the modulation method is GFSK. The module’s maximum transmit power is 4dBm and the receiving sensitivity is -96dBm.


  • Bluetooth Version: 5.0 BLE (Bluetooth Low Energy)
  • Transmission Range: Up to 50 meters in open space
  • Data Rate: Up to 2 Mbps
  • Low Energy Consumption: Optimized for low power usage
  • Compact Size: Easy to integrate into various projects
  • Compatibility: Works with various microcontrollers and development platforms
  • Operating Voltage: 3.3V to 5V
  • Interfaces: UART for easy communication with microcontrollers

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