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2PCS SA618F22 420~510MHz Audio Transceiver Module

SA618F22 is an embedded full duplex transmission module, combining wireless digital and wireless audio.Users can not only wirelessly transmit data through serial ports, but also achieve wireless transmission of voice through I2S or analog audio interfaces.The module is equipped with a high-speed micro-controller, high-performance RF chip, and high quality voice Codec, and adopts broadband spread spectrum technology.The characteristics are low power consumption, long distance, and flexible frequency adjustment. SA618F22 support maximum 8 channels transmission and reception functions at the same time, as well as maximum 3 level routers.This module adopts a highly integrated design, and users only need to connect audio amplifiers, microphones, and speakers externally to easily achieve remote wireless transmission. SA618F22 achieve full duplex through serial port for data transmission. SA618F22 supports (OTA) air upgrade or serial upgrade. The parameters of the wireless module can be set easily by PC software or serial command. SA618F22 is strictly produced and tested using lead-free technology, meeting RoHS and Reach standards.

Feature

• Frequency Band 420~510MHz(customizable 150-960 MHz)
• Up to 8 devices transmit simultaneously ( Receive unlimited)
• Echo cancellation function
• VOX function
• Multi-level wireless repeating
• I2S Digital audio+analog audio

Applications

• Line In + Mic input
• Full duplex data transmission
• Support data transmission
• Sleep low power consumption
• Support OTA &Serial upgrade
• 1KM transmission distance in the open area
• High Receiving sensitivity:-117 dBm
• High integration and small size

Block Diagram

Specification

Typical application circuit

Analog input & output application circuit(Built-in audio amplifier)

Analog input & output application circuit(External audio amplifier)

I2S Input & output application circuit

Pin Definition

Mechanical Dimensions(Unit:mm)

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