The RF-BM-2642QB1I from RF-Star is a 2.4 GHz Automotive-grade Bluetooth Transceiver Module. It uses Bluetooth 5.2 Low Energy (LE) protocol and has a transmission range of 300 meters. This module offers excellent radio sensitivity and robustness for automotive applications, including Passive Entry Passive Start (PEPS), Phone as a Key (PaaK), and Battery Management Systems (BMS). It requires a DC voltage of 1.8 to 3.63 V. This module features a 48 MHz ARM® Cortex®-M4F processor and includes multiple interface options like ADC, UART, SPI, I2C, and I2S. It is available in a surface-mount package that measures 17 x 21.5 x 2.2 mm and has an operating temperature range from -40°C to +105°C.
