Display 128 x 64 pixels with white led back-light Tactile keyboard with 14 keys with blue led back-light Polyphonic stereo audio Build-in RFID 125 Khz or 13.56 Mhz reader Mifare/NFC DDR2 128 Mbyte memory 800 Mhz CortexA8 CPU High precision temperature- compensated real time clock Linux operating system 10-100 Auto-MDIX Ethernet 2 x USB 2.0 port Three serial communication ports RS232/485 Two internal relays 2 digital inputs Internal UMTS dongle Internal WiFi dongle External USB plug for pen-drive PoE Power supply or 9-36 Vdc with ext, adapter Size W H D 165 x 158 x 60