The wifi USB Dongle allows the X10 to receive wireless signal (Connect to a network wirelessly). UseComplies with 802.11 n draft 802.11 g and 802.11 b standards Data Rate up to 300Mbps - 802.11 b/g/n su4 Times Wireless Coverage with 3dBi High-Gain Rotatable Antenna Supports USB 2.0 / 1.1 InterfaceSupports WPS (Wifi Protected Setup) compatible Supports WMMPortable and mini size design