The Linksys AC Wi-Fi Dual-Band USB Adapter, WUSB6300 is the client using IEEE 802.11 draft-ac technology. The client operates on either the 2.4 GHz or 5 GHz frequency conforming to the IEEE 802.11 a/b/g and draft-ac standards. The WUSB6300 adapter adds or upgrades wireless connectivity to your Windows-based computers.