These types of antennas have been dealt with many times here at tvfool. I my self bought 3 of these types of antennas some time ago for the purpose of evaluation. What I found is the antennas are cheap plastic , super thin aluminum , Tiny little motors for rotation , the antennas wobble when rotating around , cheap flimsy hardware that will carrode very quickly. Go to
http://solidsignal.com , type in hd2605 and read the big bold RED print that states the truth about the 150 mile claims. The antenna scams are -full on- here in the USA and Canada because of the renewed interest in over the air tv broadcasting , now that the clear pictures and multipul channels of digital tv is here.