characteristic CPU: Allwinner H3, quad-core Cortex-A7 up to 1.2GHz DDR3 RAM: 256MB Connectivity: 10 / 100M Ethernet USB host: Type-A x 1,2.54mm pin x 2 MicroSD slot x 1 MicroUSB: OTG for power input Debug serial port: 4Pin, 2.54mm pitch pin header GPIO: 2.54mm pitch 36pin. It includes UART, SPI, I2C, IO and so on PCB size: 40 x 40 mm Power: DC 5V / 2A
