Linksys Wireless-G ADSL Gateway Kit for Notebooks. Management protocols: HTTP, Supported network protocols: PPTP, L2TP, IPSec, PPPoE, PPPoA, Data link protocols: Ethernet, Fast Ethernet, IEEE 802.11b, IEEE 802.11g. Frequency band: 2.4 GHz, Data transfer rate: 54 Gbit/s. Dimensions (WxDxH): 140 x 27 x 140 mm, Weight: 0.3 kg. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -25 - 70 °C, Operating relative humidity range: 10 - 80 %. LED indicators: power