... Versatile communication interface- TCP/IP, RS232/RS485, USB, Wiegand In/Out and wireless LAN WIFI, GPRS, 3G- Flexible connectors Wiegand ... LEDs (Red, Green)USB memory slot 2 USB (Host)Communication Interface TCP/IP(RJ45), RS232 / RS485, USB and wireless WIFI, GPRS, ... development. It includes testing module, cables, UART cable, Power supply, SD card and testing card etc. User can debug software ...