... IP network for easy and low cost network system, support WIFI, GPRS and 3G flexible for wireless communication on any occasion. With embedded ... LEDs (Red, Green)USB memory slot 2 USB (Host)Communication Interface TCP/IP(RJ45), RS232 / RS485, USB and wireless WIFI, GPRS, 3G Wiegand ... module, cables, UART cable, Power supply, SD card and testing card etc. User can debug software program via UART port ...