Sweex Wireless LAN PC Card 140 Nitro XM. Frequency band: 2.400 - 2.497 GHz, Modulation: BPSK, CCK (11b), QPSK. Networking features: Ethernet/Fast Ethernet. Dimensions (WxDxH): 85 x 18 x 55 mm. Operating temperature range (T-T): 0 - 60 °C. Compliance industry standards: IEEE 802.11g & IEEE 802.11b, Safety: 64/128 bit WEP, WPA, AES & IEEE 802.1x