Bluetooth Classic, Basic
Rate/Enhanced Data Rate (BDR/EDR)
On-Board Embedded Bluetooth Stack
Easy to Configure with Windows Graphical
User Interface (GUI) or Direct by Microcontroller Unit (MCU)
Compact Surface Mount Module:
29 mm x 15 mm x 2.5 mm
Castellated surface mount pads
Integrated 3V and 1.8V Configurable
Switching Regulator and LDO
Built-in Lithium-ion Battery Charger (up
to 350 mA)
Built-in ADC for Battery Monitor and
Voltage Sense
Audio-In/Out
BM23 supports digital audio
I2S format
BM20 supports analog audio
output
Transparent Universal Asynchronous Receiver/Transmitter (UART) Mode for Seamless Serial
Data Over UART Interface
Integrated Crystal Oscillator and Matching Circuitry
Secure AES128 Encryption
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.