I've bought from your website because your tariffs comparing with others are better. I find this website simple and well-made.
The installation of this device didn't cause any problem for me. I just followed the advice as indicated in the user manual.
Now I can phone from my office with no problem at all. I set up an antenna on the roof of my office. That's how I managed to get the best results. The only preoccupation is the system remains sensitive to thunderstorms.