Specifications: ·         MCU: STM32F405RGT6 32-bit processor·         IMU: ICM20689 (SPI)·         Barometer: BMP280·         USB VCP Driver (all UARTs usable simultaneously; USB does not take up a UART)·         5 hardware UARTS (UART1,3,4, 5, 6)·         Supports serial receivers (SBUS, iBus, Spektrum, Crossfire) only. PPM and PWM receivers are not supported.·         128 Mbit Dataflash chip for Blackbox logging·         Dimensions: 35x43x7mm (includes USB in height)·         Mounting Holes: Standard 30.5mm square to center of holes ·         Weight: 7g