... 9 pin mc39i modem ,SMS/MMS/GPRS function ,advanced performance Specification : Cinterion GSM/GPRS module MC39iFeatures Dual Band GSM/GPRS 900/1800MHz ... non transparent, CSD up to 14.4kbps, USSD, Interfaces: UART, RF connector, 40 pin system connector, SIM card interface, Keypad and ... SIM card holder U.FL to SMA RF cable MC39I modem simplfied info: Module cinterion MC39i FrequencyGSM 900/1800MHz Size 7 ...