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DRA818U - UHF Band Voice Transceiver

General Description

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.

Key Features

  • Frequency Range: 400~470MHz.
  • 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: -30°C ~+70°C.
  • TX current: 450/750mA.
  • Supply voltage: 3.3~4.5V DRA818U V1.20.

📥 Download Datasheet

Datasheet Details

Part number DRA818U
Manufacturer Dorji
File Size 388.17 KB
Description UHF Band Voice Transceiver
Datasheet download datasheet DRA818U Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DRA818U UHF Band Voice Transceiver Module Features:  Frequency Range: 400~470MHz  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: -30°C ~+70°C  TX current: 450/750mA  Supply voltage: 3.3~4.5V DRA818U V1.20 Applications  Portable walkie-talkie  Outdoor sports products  Audio monitor system  Building security system DESCRIPTION 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.