iTEC USBWIFI-300. Connectivity technology: Wireless, Host interface: USB, Interface: WLAN. Data transfer rate (max): 300 Mbit/s. Modulation: CCK, DQPSK, DBPSK, OFDM, Frequency band: 2.412 - 2.4835 GHz. Input voltage: 5 V. Width: 65 mm, Depth: 25 mm, Height: 10 mm