i live in an area where the closest cell tower is on the other side of a hill.  the strongest signal is 1 bar when standing on my roof.  indoor reception is zero.  i tried this and it worked to bring the signal into the house, but needed many reboots throughout the day to maintain cell reception.  the calls i did receive would lose reception and end after about 30 seconds.  i tried numerous locations for the antenna and transmitting unit but nothing improved the reliability.  i returned this unit and tried this one:&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Wilson-Electronics-801247-Desktop-DT-Adjustable-Gain-Cell-Phone-Signal-Booster-for-Home-or-Office-For-Multiple-Users/dp/B0014KOB6Y/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Wilson Electronics 801247 Desktop (DT) Adjustable Gain Cell Phone Signal Booster for Home or Office  - For Multiple Users</a>.  the wilson works flawlessly, but range is not great - about the same as my bluetooth devices.