The BM71BLES1FC2-0B02AA is a Bluetooth 4.2 Low Energy module designed for embedded applications, featuring an onboard antenna and shield in a compact 9x11.5x2.1 mm package. It operates over an industrial temperature range of -40°C to +85°C and supports a UART interface for communication with a host MCU. The module includes an integrated 32 MHz crystal, 9 GPIO pins, a 5-channel 12-bit ADC, and one PWM channel, all operating on a voltage range of 1.9V to 3.6V. With its low power consumption, AES128 encryption, and multiple regulatory certifications, this module is well-suited for a wide range of applications including IoT devices, wearables, and industrial data loggers.