3KM SA628F30 1W 433Mhz Full-Duplex Multi-Device Concurrency Wireless Audio Module x 2 PCS

SA628F30 is a 1W output power full duplex wireless voice module with mesh network.SA628F30 is very easy to use.It start to work by just connecting antenna, power supply and speaker, microphone, Audio amplifier, RF channel switch, volume adjustment are all embedded on board.SA628F30 has USB interface, and specified PC software.It can be configured and SMS Tx/Rx easily by the PC software.
The SA628F30 module has built-in high speed micro -controllers, high quality voice Codec, high-performance RF chips and amplifiers.This wireless module adopts the newest generation LoRa chip, which has the characteristics of low power consumption, long distance, and flexible frequency adjustment.SA628F30 has I2S and analog audio interface for different application.SA628F30 support full duplex SMS communication.
SA628F30 embed very good voice codec, which achieve much better voice quality than walkie talkie in the market.
SA628F30 supports concurrent Tx and concurrent Rx.It support maximum 8 devices transmitting simultaneously.
There is no limitation in receiving.Mesh Network is available to extend the range.The mesh function is easy to achieve by setting the modules as Node, Router or Node & Router.
SA628F30 can be upgraded over air ( OTA ) or by serial communication.