SureCall Fusion4Home Signal Booster

SureCall Signal Booster. Works with all major US Carriers, except certain bands Sprint used to use. But works great on AT&T, Verizon, T-Mobile. This device, coupled with a Yagi antenna (you’d have to get it separately; costs $30), will boost your 4G LTE cell signal from mere one bar to 3-4 inside the house.
Super easy to install, reliable device.
Retails for $499+.