TP-LINK's TL-WDN4200 is an N900 Wireless Dual Band USB Adapter giving users the ability to access crystal clear 5GHz connections or legacy 2.4GHz connections at 450Mbps. With wireless connections transmitting over the 5GHz band users needn't worry about interference from neighboring wireless devices and the plethora of household appliances that may interfere with their wireless signal ensuring high-quality connections ideal for bandwidth-intensive applications such as HD video streaming and online gaming.