[Communication Interface]：UART

[Operating Frequency]：863MHz-928MHz

[Transmit Power]： 20dBm

[Packaging]：SMD

[Communication Distance]： 3.5km

[Size]：16*26mm

[Introduction]：The EWM201-470A20S is a brand-new long-distance wireless audio transmission module from Ebyte, featuring both a transmitter and receiver. It features flexible configuration, ease of use, and a compact size. Operating in the 863MHz to 928MHz frequency band, it supports both microphone input and speaker output. It supports point-to-point and point-to-multipoint half-duplex and full-duplex modes. Simply connect an external microphone, voice amplifier, speaker, antenna, and power supply to create a full-duplex intercom.