Boosts voice?? text?? 3G?? 4G reception of all U.S. & Canadian cell providers</br>Reduces dropped and missed calls. Improves 3G and 4G data speeds</br>Coverage for large buildings and warehouses?? up to 25??000 Sq. Ft</br>Supports 100+ users with multiple mobile devices?? simultaneously</br>Backed by industry leading 3 year manufacturer???TMs warranty?? & FCC approved</br></br>Product Description</br></br><b>SureCall [Force5] Voice?? Text & 4G LTE Cell Phone Signal Booster Yagi/ 4 Panel Kit [Large Buildings 25??000+ sq. ft]</b><br><br><p>SureCall???TMs Force5 commercial cellular amplifier kit with uni-directional Yagi external antenna and four uni-directional Panel internal antennas is a highly linear cell phone signal booster that is specifically meant to improve cell phone reception for large commercial applications. It is a manually adjustable 72 dB 5-band device that covers an area of between 20??000