2.4GHz, 5GHz, Wireless-AC?
What make and model of router do you have?
If we know that we can check what it supports.
Sky Hub then?
Single Channel 802.11n 2.4GHz.
if so this would do the trick...
https://www.overclockers.co.uk/dynamode-150mb-11n-wifi-nano-usb-adapter-wl-700n-rxs-nw-013-dn.html