Typhoon Bluetooth 56k Wireless. Modem speed: 56 Kbit/s, Interface: RS-232. Minimum processor: Intel Pentium II, Minimum RAM: 64 MB. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 10 - 90 %, Storage temperature range (T-T): -20 - 90 °C. Dimensions (WxDxH): 64 x 96 x 22.1 mm