BM-52820 is a Bluetooth 5.1 Low Energy class 1 module that provides a complete solution from various interfaces to different sensors to BLE protocol stack and applications. It includes 32MHz crystal and a system-on-chip Nordic nRF52820. The minimal parts count and small footprint of the BM-52820 is ideally suited for the requirement of high integration Bluetooth Low Energy technology in portable devices and consumer electronics.

The system-on-chip architecture design of the module makes a much smaller space and minimal cost and simplifies the whole system design.