The DRA818V is a compact, high-performance VHF (Very High Frequency) voice transceiver module based on the RDA1846 radio frequency integrated circuit (RFIC). It is designed for use in walkie-talkie and amateur radio systems within the 134-174 MHz range and communicates with a host microcontroller via a standard UART interface. The module supports features like CTCSS/CDCSS codes, adjustable volume and squelch, and is configurable through AT commands for transmit/receive frequencies and other parameters.
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