3com 11MBPS WLAN CARDBUS. Data transfer rate (max): 11 Mbit/s, Bandwidth: 2.4 GHz. LED indicators: Link activity, power. Security algorithms supported: 128-bit WEP. Data link protocols: IEEE 802.11b. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 10 - 95 %