The MC66 is based on the Cinterion BG2-W Quadband-Module. It does offer TCP/IP Stack, RS232 interface as well as an „Always ON“ function, which, if activated, prevents the Terminal being switched off by accident.
Further on the MC66 Terminal except an input power of 8V to 30V, a temperature range of -30°C up to +85°C and offers small dimensions of 65mm x 74mm x 33mm, weight of only 110g and an FME antenna connector.