Bought this unit because the name brand units are 5X the price. Figured I would give it a shot for the heck of it.Built a house 4 years ago. The house has the foil backed OSB and completely blocks the signal. We step out on the porch and can make phone calls but in the house, forget it. Dropped calls all over the place. This is especially true around appliances such as the fridge where signal has zero chance of getting through.Our house is 2500 square foot and this until allows us to make calls ANYWHERE in the house! Used the app to assure the antenna was headed the right direction and it worked like a charm. Literally boosted the service immediately!We had been contemplating the $500 brand name units and I figured there was no waste here as I could send it back. Don't need to send it back. Happy with the purchase thus far!Good buy for the money!First let me say, I read a lot of reviews on Amazon and know that they are false reviews made by the manufacturer to look like they are from customers. Let me assure you, I am a real customer and this is a real review. I run a nonprofit for veterans with PTSD. I am also the commander of the local VFW and the area Ride Captain for the Patriot Guard Riders. I therefore spend a lot of time on my phone. I also live in the country. I have very poor cell signal. One or two bars at best. I need to be able to sit and take notes on my laptop while on the phone. Due to the poor signal, I often have to go out to my back deck to make or receive phone calls. I decided to try this cell phone booster due to it's low price. I figured if it didn't work, I could return it and purchase a more expensive model. I am glad I did. This cell phone booster works great. As I said, I normally have only one or two bars. Without installing the system, I just hooked all the components up out of the box and plugged it in with the coax still coiled up right next to the booster. My phone immediately went to full bars. I then went into the other room where I work on my laptop and made a call. The call went through perfectly and was crystal clear with no noticeable delay. I can only imagine what kind of phone service I will be able to enjoy once I install the system properly instead of having all the components connected and sitting on the counter. I would definitely recommend you purchase this booster and try it before paying 3,4 or more times for a different one. Well worth the money. I am so happy right now.We put it on the roof, tuned it in, and our 1-2 bar signal went to 4 bars! Phones work much better.UNFORTUNATELY, it does not help 4G service at all. If anything, it might make it worse.We returned one, but the second one is exactly the same. Very disappointed because 4G signal was mainly what we were looking for.I fully expected this booster to give me a VERY slight increase in signal because of the price. We Travel full time in an RV and I originally was going to purchase the Weboost RV kit for $649.00. Instead I gave this one a try and also purchased a small MIMO antennae. Using this booster alone our signal to the MOFI 4500 increased 16 fold! The booster also "Boosted" our signal to our phones from 1 bar to 5 bars & gave us a very useable 4G signal. I 100% recommend this product!Certainly increased my bars and marginally increase my data speeds, but every location is different maybe it would good for youThis stated it would work on Verizon and att lines. I downloaded the app and checked my band and it said it would support my phone as well as my fiancé’s. It worked slightly better for my att but did not work at all for my fiancé’s Verizon. Probably will return it.If you have a property with only a few spots that work for cell service, this product does an outstanding job of sharing that sweet spot by transceiving it through a local device. I recommend getting the extra chip set version for a couple dollars more, you never know what providers others may have.1 month in and very pleased.Hard to set up