Media-Tech MT4207. Connectivity technology: Wireless, Host interface: USB, Interface: WLAN. Data transfer rate (max): 150 Mbit/s. Frequency band: 2.412/2.472 GHz. Width: 49.5 mm, Depth: 26.5 mm, Height: 10 mm. Security algorithms supported: 64-bit WEP, 128-bit WEP, WPA, WPA2