The BM23 is a Bluetooth® 5.0 certified ROM module with stereo digital output for designers who want to add Bluetooth wireless audio and voice applications to their products. 

This Bluetooth SIG certified module provides a complete wireless solution that includes an embedded Bluetooth stack, a printed antenna, and worldwide radio certifications in a compact surface mount package, 29 x 15 x 2.5 mm3.  It supports the following Bluetooth profiles: HSP, HFP, SPP, A2DP, and AVRCP.  Audio processing for Acoustic Echo Cancellation (AEC) and Noise Reduction is included as well as AAC and SBC decoding. This module includes a digital output that may interface to an external CODEC, DSP, or audio amplifier.

• Certified to Bluetooth 5.0
• Bluetooth Classic (BDR/EDR)
• Embedded Bluetooth stack
• SBC, AAC Codecs
• Stereo digital output (I2S), one stereo anlalog microphone, aux input
• UART, two LEDs, GPIOs
• Built-in voice prompts
• Transparent UART mode for seamless serial data over UART interface
• Easy to configure with Windows GUI or directly via an MCU
• Compact surface mount module: 29 x 15 x 2.5 mm
• Castellated surface mount pads for easy and reliable host PCB mounting
• RoHS compliant
• Worldwide RF regulatory certifications