We have EE and Three here; O2 is not so good. I am seriously thinking about the 4G plus AA L2TP VPN solution that was described by another AA using kitizen elsewhere. However I am concerned about the reliability and the speed. Our Three 4G is not very fast and I need to measure EE. I did a test just now in bed on my iPad using AA / AQL / Three 3G and it seems that 4G wasn’t available; this measured 8 Mbps downstream / 0.88 Mbps upstream. This is slower than DSL but if tested in a window the results ought to be much better and 4G should be available. It is a line-of-sight location so there’s no excuse for 4G in a window not being really fast. There are times when 3G/4G simply goes out to lunch, yet combined bonded DSL for all practical purposes never ever fails even though individual lines go down occasionally.