-LCD: 26" or 32" -motherboard to run LINUX, Media players, applications for communication and maintenance. -Processor (Intel or AMD) 1 Ghz -media/graphic chip(set) capable playing audio, video, flash, ... -communications chip(set) with Wifi, 3G Mobile connection, Bluetooth and RFID (optional) -minimum number of buttons: ON/OFF, 2 buttons for input, volume button, contrast -remote control -powerful speakers -RAM: 1 GB -HD: 20 GB -backup battery for running programs (not for LCD screen)