DRA818U is a type of compact wireless voice transceiver module based on RFIC RDA1846 and works in 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.

DRF4463F is a type of low cost RF front-end transceiver module based on SI4463 from Silicon labs. It keeps all the advantages of RFIC SI4463 but simplifies the circuit design. The high sensitivity (-126dBm) and 20dBm high power output make the module suitable for most short range applic

DRF4431F 是一款基于Silicon labs si4431的射频前端模块。集成天线匹配线路。用户无需射频电路设计，只用专注于软件开发，从而缩短产品开发时间。高灵敏度以及13dBm的功率输出适合短距离无线控制

DRF4432F20 is a type of low cost RF front-end transceiver module based on SI4432 from Silicon labs. It keeps all the advantages of RFIC SI4432 but simplifies the circuit design. The high sensitivity (-121dBm) and 20dBm output power make the module suitable for most short range applications.

DRF4431F27 is a type of low cost RF front-end transceiver module based on SI4431 from Silicon labs. LNA and PA are added in order to achieve the longest distance.