SMC EZ Connect™ N Draft 11n Wireless USB2.0 Adapter. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 300 Mbit/s, Bandwidth: 2.4 GHz. Weight: 18 g. Certification: FCC, CE, Safety: WEP, WPA-/WPA2-PSK, WPA2. Minimum hard disk space: 20 MB