TRENDnet Wireless AC Easy-Upgrader, Upgrade up to 5 GHz Wireless AC, Pre-Encrypted, Easy Set-up,  TEW-820AP Don't throw away your existing wireless or wired router, upgrade it to high speed 5GHz Wireless AC 433Mbps in minutes with this easy to install one touch connection setup This compact pocket size device comes pre-encrypted out of the box for your convenience This device supports up to 4 SSIDs. A wireless AC enabled device is required in order to establish a fast Wireless AC connection TRENDnet's Industry-leading 3-year warranty and unlimited 24/7 technical support Compact housing You need a Wireless AC enabled device in order to connect to the TEW-820AP