EWM201-xxxAxxS series products are brand-new long-range wireless audio transmission modules. They feature flexible configuration, convenient use, and compact size. Users can
configure various parameters such as transmission power, operating channel, and serial port speed according to actual
needs through commands.
EWM201-xxxAxxS series operates based on a time-division duplex (TDD) mechanism, utilizing precise time
slot control and scheduling to enable half-duplex or full-duplex wireless voice communication. It also supports unicast,
multicast, and broadcast intercom functions. All models support MIC input and speaker output. The module supports
point-to-point, point-to-multipoint half-duplex mode, or full-duplex mode. Simply connect an external MIC, voice
amplifier, speaker, antenna, and power supply to form a full-duplex intercom system.
The following four modules are standard models, with typical transmit power of 20/30 dBm, operating in the 470
MHz to 510 MHz frequency band and the 863 MHz to 928 MHz frequency band.