TP-LINK 54Mbps Pocked-Sized Wirerless Print Server. Network connection type: Wireless LAN, Networking standards: IEEE 802.11g, Antenna gain level (max): 2 dBi. Weight: 45 g. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 0 - 70 %, Storage temperature range (T-T): -5 - 65 °C. Certification: CE, FCC. Power requirements: 3.3V, Dimensions (WxDxH): 65 x 40 x 19 mm, Compatible operating systems: Win 2000 / XP / 2003 / Vista Mac OS X 10 + Linux