I/O接口 | Reset & Power On Button x 1, Power LED x 1, Recovery Button x 1, USB 2.0 x 2, HDMI 2.0 Out x 1, Audio Out x 1, RS232 DB9 x 1, RS485 3-Pin Screw Terminal Block x 1, TF Card Slot x 1, Antenna Hole x 2, MiniPCIe Slot for Optional LTE Module x 1, DC-In x 1 |