"The 802.11g PC Card from Cables To Go is a wireless PC Card that offers 54Mbps data rate with 2.4GHz frequency from the latest IEEE 802.11g Wireless Standard. The 802.11g standard operates in the 2.4Ghz frequency band similar to 802.11b, but provides a throughput of up to 54 Mbps by using a different radio technology in order to boost overall bandwidth. This PC card offers peer-to-peer connection via notebook Ethernet LAN/WAN connection. It is also backward compatible with devices on 802.11b standard and can easily connect to Local Hot Spots. The card is user-friendly, easy to setup, and offers security protection with industry standard WEP (Wired-Equivalency Privacy) 64bit or 128bit encryption. Features: Meets both IEEE 802.11g and IEEE 802.11b standards. Data Transfer Rates: IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps or IEEE 802.11b: 1, 2, 5.5, 11Mbps. PCMCIA Type II, 32-Bit interface is perfect for use with your notebook. Security WPA- Wi-Fi Protected Access (64, 128, 152-WEP with TKIP, Shared Key Authentication). Driver Support: Windows98SE/ME/2000/XP. Network Protocols: TCP/IP, IPX, NDIS3, NDIS4, NetBEUI. LED Indicator shows RF/Link activity. Operation Range: Indoor- 100m at 1Mbps; 10m at 54Mbps and Outdoor- 650m @1Mbps, 450m @11Mbps, 100m @54Mbps (Distance varies with data rate at different usage environments). FCC, CE certifications. Please note - once this item is opened it is non-returnable unless defective."