General Details


The SR-BM20SPK01 is a highly integrated Bluetooth 4.1 stereo module, designed for high data rate, short range wireless commnicatation in the 2.4 Ghz ISM band. With the built-in ISSC Bluetooth stack, profile and sound effect, the SR-BM20SPK01 can provide high performance Bluetooth audio


 Main features: 

  • Main Chip:ISSC IS2020S

  • Bluetooth 4.1 EDR compliant

  • Max. +4dBm Class 2 output power

  • Receiver Sensitivity: GFSK typical -88dBm,  π/4 PSK typical -89dBm 8DPSK typical -83dBm

  • Piconet and Scatter net support

  • CVSD, A-law, -law, mSBC CODEC algorithms for voice applications

  • SBC/AAC decode for Bluetooth audio streaming

  • Microphone input and audio line-in support

  • Built-in four language voice prompt (Chinese/English/Spanish/French)

  • Built-in 350mAH Li-ion battery charger

  • HSP, HFP, A2DP, AVRCP,SPP profiles supported

  • 3.3V operating voltage

  • Built-in program ROM and 64Kb EEPROM

  • 4 pins for SMT module Size: 15mmx29mm

  • Built-in PCB Antenna

  • RoHS compliant

Technological details