LevelOne 150Mbps N Wireless USB Adapter. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 150 Mbit/s, Supported data transfer rates: 802.11g: 54, 48, 36, 24, 18, 12, 9; 6 Mbps 802.11b: 11, 5.5, 2, 1 Mbps. Modulation: 16-QAM, BPSK, QPSK, QPSK, Frequency band: 2.4/2.4835 GHz. Antenna connector type: RP-SMA. Width: 48 mm, Depth: 26 mm, Height: 10 mm