great idea numb nuts, but I did make a breakthrough and the unit did display saying no adaptor found so assumed it didn't like the dongle, so I found an old d-link one, the unit accepted that said so, I then managed to get the unit linked wirelessly to the router. this is only in testing stage before final install the whole lot in the loft. the instructions for this section are not mentioned in the manual, and the rest is (cough)