Edimax AC600 Wireless Dual-Band Mini USB Adapter
 

" ... The Edimax AC600 Wireless Dual-Band Mini USB Adapter is an amazing piece of kit. Not only does it offer good throughput data speeds, but also extreme portability. This tiny device will add wireless Dual-Band connectivity via the USB port to any system … be it a laptop, notebook, desktop or a high-end gaming rig, and it's MAC OS compatible.."

http://www.funkykit.com/reviews/acce...adapter-review