US Robotics USRobotics Wireless MAXg PC Card. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 125 Mbit/s. Width: 250.7 mm, Depth: 52.3 mm, Height: 160.3 mm. Compatibility: PC&Notebook. Minimum system requirements: - PC with Pentium processor or equivalent, 100 MHz or higher, Dimensions (WxDxH): 250.7 x 52.3 x 160.3 mm, Security features: - WPA2/802.11i (AES Encryption) - Wi-Fi Protected Access (WPA), TKIP