Raytac’s MDBT53V-DB Module demo board Dev Kit deployed Raytac MDBT53V series module (MDBT53V-1M or MDBT53V-P1M) is a BT 5.2 stack (Bluetooth low energy or BLE) module designed based on Nordic nRF5340 SoC solution, which incorporates: GPIO, SPI, UART, I2C, I2S, PMD, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors.