Digicom 8D5756, Cellular network modem, DIN-rail, TCP / IP, GPRS, GSM, GPRS, GSM, 800,900,1800,1900 MHz Digicom 8D5756. Device type: Cellular network modem, Mounting: DIN-rail. Supported network protocols: TCP / IP. Data network: GPRS, GSM, 2G standards: GPRS, GSM, 2G bands supported: 800,900,1800,1900 MHz. Serial interface type: RS-232/485. Baud rate: 85.5 Kbit/s