TRENDnets TEW-423PI 54 Mbps Wireless PCI Card cuts the wires to your desktop & provides 54 Mbps speed to handle bandwidth-intensive applications. It complies with the IEEE 802.11g standard, making it backward compatible with 802.11b networks for assured compatibility. Advanced Wi-Fi Protected Access (WPA) & up to 256-bit WEP encryption are supported to provide secure access for your data. Cut the wires & move your desktop where you need it with TRENDnets 802.11g wireless PCI Card. Wi-Fi Compliant with IEEE 802.11g & IEEE 802.11b Standards Uses 2.4 GHz Frequency B&, which Complies with Worldwide Requirements Supports Ad-Hoc (Peer-to-Peer) Mode or Infrastructure (AP-Client) Mode Dynamic Data Rate Scaling at 54, 48, 36, 24, 18, 12, 9 & 6 Mbps for 802.11g Dynamic Data Rate Scaling at 11, 5.5, 2 & 1 Mbps for 802.11b Maximum Reliability, Throughput & Connectivity with Automatic Data Rate Switching Compatible with Windows 7/ Vista/XP/2000/ME/98SE Supports 64/128-bit WEP, WPA/WPA2 & WPA-PSK/WPA2-PSK Detachable 2d Bi dipole Antenna with Reverse SMA Connector Low Interference & High Susceptibility guarantee Reliable Performance Range of 35~100 meters indoor, 100~300 meters outdoor (depends on the environment) Simple User Setup & Diagnostics Utilities Please note: networking components such as switches, routers, UPS & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.