Update - Have just done some fault investigation into the speed issues and I think this may be down to the bedroom where I am connecting to the router and the power point where the second adapter is...

Region : UnitedKingdom Model : TL-PA551KIT Hardware Version : V1 Firmware Version : AR-7400-MAC-5-0-5010-02-655-20101105-FINAL-B ISP : O2 I have just bought the kit of two adaptors and am having a...