Firstly, although I ordered from Mobile Signal Boosters UK with an address in Covent Garden, the company is actually in China. This introduces delays and problems with import duties. The first booster took 2 weeks to arrive and was damaged in shipping. It took 6 weeks to get a replacement. This doesn't perform as promised, and nothing like as well as the booster it is replacing. I suspect it's faulty. I'm trying to return under their money back guarantee, but they are ignoring my emails. I'm also out of pocket for return shipping of damaged item and import duties on the shipping of the replacement. DON'T USE THIS COMPANY.