Product introduction
The BT-MQ21-1 module is designed with Qualcomm QCC302x chip ,a stereo flash memory programmable solution which fully certified with BT 5.0 certification,having a high cost performance.
It supports single MIC cVc echo cancellation and hands-free noise reduction technology.
Use the AT command set to control the module through the serial port to develop Bluetooth functions to quickly implement customer applications.