If you have a router that doesnt support dualbands, then the ew mac will not be able to detect your 2. Click device manager edimax ac wireless lan usb adapter, and select update driver software. Thanks lotuspond, the link to the above kext worked, combined with the alfa wireless utility app you linked. Wireless nLITE 3dBi High Gain USB Adapter White The edimax ac ew mac use the mediatek mtu chipset. Edimax cannot access and provide for support for microsoft[…]