... 36x 3.55 mm Industrial Class Device. Cinterion GSM/GPRS module MC39iFeaturesDual Band GSM/GPRS 900/1800MHzCompliant to GSM phase 2 ... : non transparent, CSD up to 14.4kbps, USSD,Interfaces: UART, RF connector, 40 pin system connector,SIM card interface, Keypad and ... system connectorFlat cable for connectorSIM card holderU.FL to SMA RF cable