When we went to Scotland we bought a Vodaphone dongle as we were led to believe that was the best one for Scotland. Never used it as our 3 dongles worked in all area, The Trossachs, Grantown on Spey, Fort William and Jedburgh. We have never been anywhere that the 3 dongles would not connect. I had a big download for Tom Tom (full European map update) at home in Nrth Yorkshire. Great I thought I will use up the Vodaphone before it runs out. Hrmpf no signal. So I am posting this thinking it may help anyone thinking of buying a dongle for the first time.