Netgear WNA3100M. Connectivity technology: Wireless, Host interface: USB, Interface: WLAN. Data transfer rate (max): 300 Mbit/s. Networking standards: IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, Frequency band: 2.4 GHz. Width: 16 mm, Depth: 34 mm, Height: 8 mm. Compatible operating systems: Microsoft Windows 7, XP, Vista: (32/64-bit)