"I ordered a Winegard signal amplifier to replace an original equipment signal amplifier on a Winegard antenna. Ordering was easy and the amplifier arrived as scheduled. The amplifier did not work and Solid Signal refused to acknowledge or respond to several inquiries made through their contact/return page. The fine print in their shipping invoice states that electronics cannot be returned. How do you determine if they work unless you install them? It's been a couple of months now and no response whatsoever. I'm out $41 but will chalk it up to poor decision making on my part and a promise never to use or recommend Solid Signal for any future purchases."