Hercules HWGUm-54. Connectivity technology: Wireless, Host interface: USB, Interface: WPAN. Data transfer rate (max): 150 Mbit/s. Networking standards: IEEE 802.11g, Frequency band: 2.4 GHz. Wireless LAN type: 802.11g, WLAN data transfer rates supported: 54 Mbit/s. Compatibility: PC&Notebook, Minimum RAM: 64 MB, Minimum hard disk space: 50 MB