Before getting the zBoost, the very best signal I could get in the house was 2 bars - and that was remaining motionless in a certain spot, if I moved the call would drop. Once I installed the zBoost I have gotten up to 4 bars in the house, and can even make calls from the kitchen, where I could never get a signal at all before. The reason for the 4 stars instead of 5 is that every so often the green light (indicating a good signal) will turn to a flashing red. When this happens I must unplug it from the wall and plug it back in, and in seconds it's back to a solid green signal.

I tried the system out for two weeks and thought I had a winner, until I really tried to use it fully. I got twice the bars on my phone, BUT it didn't change being able to get text messages through either direction. No Network available is what I got messaged even with 3-4 bars! So I returned it................

This was a difficult product to install, requiring drilling through the roof, running cords through walls. it didn't work at first till we ran more cable to get 15' vertical drop, but now it hangs down and has cords running across floors. Cell service seems to be better, but still not great. Also, had to get 2 people to install (who wants to be on a big ladder with no one around) and that was expensive as well.

I have owned one for some time and have bought two more for family members.

For anyone who lives in a rural area this is the product for you! I went from no service inside my house to 4 full bars!