AVM FRITZ!WLAN USB Stick. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 125 Mbit/s, Supported data transfer rates: 11 Mbit/s, 54 Mbit/s, 125 Mbit/s. Frequency band: 2.4 GHz. WLAN data transfer rates supported: 125 Mbit/s. Data link protocols: IEEE 802.11b, IEEE 802.11g, IEEE 802.11g++