The STR40 ultra-low power Bluetooth Low Energy/ANT/2.4GHz Proprietary Multi-protocol modules, designed for longer distance communication, built-in maximum+20dBm RF output, based on the nRF5340 from Nordic Semiconductor. The module with an ARM® Cortex™ M33F 32 bit Dual-core processor, embedded 2.4GHz transceiver, and integrated antenna, provide a complete solution with no additional RF design, allowing faster time to market, while simplifying designs, reducing BOM costs, also reduce the burden of regulatory approvals to enter the world market. Making you more quickly into the bluetooth smart application and removing the worries. The ultra-small package size is especially suitable for strict requirements on module size.