Full Bluetooth 5 multi-protocol embedded ultra-low power system level module, based on Nordic nRF52840 design, can support Bluetooth 5.2 by upgrading the protocol stack module. Built-in ARM® Cortex™ M4F 32-bit processor, 1MB flash /256KB RAM, embedded 2.4GHz RF transceiver, provides a complete module solution for Bluetooth 5, supports Bluetooth AOA/AOD positioning, supports ANT/ANT+ protocols, and supports Bluetooth /AOD. And multi-protocol support such as 802.15.4 and 2.4GHz private protocols.