Digicom Pocket GSM. Modem speed: 9.6 Kbit/s, Interface: RS232 9 pin (V24/V28), Modem type: 850/900/1800/1900 MHz GSM. Compliance industry standards: GSM Phase 2+ ETSI. Networking features: GPRS Class 10. Power supply type: 5 - 32 Vcc. Dimensions (WxDxH): 87 x 75 x 25 mm, Weight: 0.13 kg