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Dorji DRA818V, DRA818U Module

DRA818X is a type of compact wireless voice transceiver module based on RFIC RDA1846 and works in VHF or UHF band. It integrates high speed microcontroller, high performance wireless transceiver IC, high power PA, audio process and squelching circuits. It provides standard UART interface which users can easily configure appropriate parameters for different applications. Users can easily construct a walkie-talkie system by connecting microphone, audio PA and speaker.

  • Frequency Range: 134~174MHz V version or 400~470MHz U version
  • Tx/Rx frequency independent
  • Channel space: 12.5/25KHz
  • Configurable multi-channels
  • Sensitivity: -122dBm
  • Output power: +27/30dBm
  • CTCSS / CDCSS codes
  • 8 volume levels
  • 8 squelch levels
  • UART interface
  • Temperature: -20°C ~+70°C
  • TX current: 450/750mA
  • Supply voltage: 3.3~4.5V

DRA818U Datasheet
DRA818V Datasheet

Breakout Board

dorji_dra818v_dra818u_module.txt · Last modified: 2014/09/28 16:13 by ondra