... color controllable LEDs (Red, Green)USB memory slot 2 USB (Host)Communication Interface TCP/IP(RJ45), RS232 / RS485, USB and wireless WIFI, GPRS, 3G ... testing module, cables, UART cable, Power supply, SD card and testing card etc. User can debug software program via UART port ... applications. Welcome to join us at uTouch Partner Program. USB smart card reader & NFC reader for Kiosk & E-payment with ...