High-powered external Wi-Fi adapters such as the Janus WLAN USB adapter can greatly extend the reach of your wireless network – HornetTek claims a range of up to 1,000 meters. It maintains a strong wireless signal in taxing conditions too. Connecting to your Mac via USB, setup isn't helped by a complete lack of Mac instructions and a software CD that hides the OS X version of its WLAN management app in a folder marked 'Other drivers'.



Link: Techradar