US Robotics USR5415 802.11g 54 Mbps PCI Adapter. Connectivity technology: Wireless, Host interface: PCI. Data transfer rate (max): 54 Mbit/s. Width: 13.3 mm, Depth: 12.1 mm, Height: 2.2 mm. Security algorithms supported: WPA2, WPA, WEP, WPS, TKIP. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 20 - 85 %