1、With FRU number, it will not report an error, and can be used directly without destroying the for BIOS whitelist. Support FN + F5. 2、The transmission of 300Mbps ensures the efficiency of data transmission, smoothness of Internet and high signal strength. 3、Support operating system: for Microsoft Windows 7, for Microsoft Windows 8, for Linux, for Microsoft Windows XP. 4、Support seamless roaming between various access points (802.11b, 802.11g, 802.11a/b/g and 802.11a/b/g/n). 5、Standard Mini PCIE interface, good compatibility. This network card is compact and delicate, easy to install. Item Type: Wireless Network Card Material: PCB Model: 6205AN SPS: 631954-001 0H FRU P/N: 60Y3253 Height: Approx. 26.80mm/1.1in Width: Approx. 30mm/1.2in Depth: Approx. 2.4mm/0.1in (maximum on the top side), 1.35mm/0.05in (maximum on the bottom side) Diversity: On-board diversity supports systems with two antennas Interface: Mini PCIE Operating System: for Microsoft Windows 7, for Microsoft Windows 8, for Linux, for Microsoft Windows XP Wi-Fi Alliance: Wi-Fi CERTIFIED for 802.11a, 802.11b, 802.11g, 802.11n, WMM, WPA, WPA2, and WPS Wi-Fi Direct for peer device connection For Microsoft WHQL: Yes IEEE WLAN Standard: IEEE 802.11a/b/g/n, 802.11d, 802.11e, 802.11i, 802.11h; Architecture: Infrastructure and for SoftAP; supports simultaneous for Client and for SoftAP modes of 2.4 GHz or 5 GHz (not all versions) Roaming: Support seamless roaming between various access points (802.11b, 802.11g, 802.11a/b/g and 802.11a/b/g/n) Compatible with: for Lenovo Thinkpad T420 T420i T420S T420SI T430, T430s, T430i for Lenovo Thinkpad t520 t520i w520 for Lenovo Thinkpad x220 x220i x220t for Lenovo Thinkpad x1 for Lenovo Thinkpad L420 L421 L520 For HP: 6360B 8560P 2760P 2560P 8460P 8760P 8560W 8760W 8470W 8570W 6470B 6570B 6475B 2570P 9470M Other laptops are NOT supported! 1 x Network Card 2 x Screws