The Feasycom FSC-BT671B Silicon Labs EFR32MG21 BLE 5.2 & SIG Mesh & Multi-Connection Bluetooth Low Energy module includes a 32-bit 80 MHZ ARM Cortex-M33 microcontroller, which can provide a maximum power output of 10 dBm. The chip's maximum receiving sensitivity is -97.5 (1 Mbit/s GFSK) dBm, and it supports a complete DSP instruction and floating-point unit for efficient signal processing. Low-power gecko technology supports fast wake-up time and energy-saving mode. FSC-BT671B software and SDK support Bluetooth Low Energy (LE), Bluetooth 5.2 and Bluetooth mesh network. The module also supports the development of proprietary wireless protocols. FSC-BT671B combines an energy-friendly MCU with a highly integrated radio transceiver. The module is suited for any battery operated application other systems requiring high performance and low energy consumption.