The tp link archer t4u wireless band dual band is the ultra fast 1200 mbps wireless speed adapter with dual banding connections this ac1200 is ideal for lag free hd video streaming gaming and large file downloads this products reputation is also increased with its super speed usb 30 port which is up to 10 x faster than a usb 20 the archer t4u is also equipped with the 1m usb30 extension cable which extends the usb connection length making it convenient to plug usb devices in and out of the