LogiLink 54Mbit WLAN USB 2.0 Adapter. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 54 Mbit/s. Chipset: Ralink RT2571WF, Modulation: 16QAM, CCK (11b), QPSK, QPSK, Frequency band: 2.4 - 2.4835 GHz. Gain: 4 dBi. Width: 27 mm, Depth: 87 mm, Height: 9 mm