O2 provides a Samsung NSN 133 4G dongle, which was compatible with Trefor's Windows 7 laptop. However, he said he needed to download a firmware update before he could connect. "I live in Lincoln and took a train to King's Cross, London. When I fired up the dongle at McDonalds at King's Cross, it downloaded 60 Mbytes of firmware in about a minute. The downlink was only 11 mbps, but where I live I only get 11 mbps on my home broadband network.