Hercules HWNU-300. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 300 Mbit/s. Minimum RAM: 64 MB, Minimum hard disk space: 50 MB, Minimum processor: Intel PentiumTM III / AMD AthlonTM. Security algorithms supported: WPA2/WPA. Supported network protocols: 802.11b, 802.11g, 802.11n