mc39i modem 1.Configuration:Magnet antenna+rs232 cable+power adapter. 2.Frequency:dual band900/1800MHz 3.Interface:DB 9 pin mc39i modem ,SMS/MMS ... up to 14.4kbps, USSD, Interfaces: UART, RF connector, 40 pin system connector, SIM card interface, Keypad and LCD, etc.Accessorie ... mc39i modem is made from cinterion original modules,Interface was RS232 DB9in ,with EU/AE power supplyLogo or label can be ...