Cell Phone Signal Booster ATT T-mobile Verizon 4G LTE Dual Band Signal Booster High Gain 700Mhz Band 12/13/17 Home Mobile Phone Signal Booster - Boost 4G LTE Data for Verizon AT&T and T-Mobile

Color: Black Dual BandIf you find that you must be near a window or outside to get adequate cell phone reception, then this cell phone booster is the solution. There are a number of reasons why you may be experiencing poor reception.
The most common reasons are: [ 1 ] Distance from the cell phone tower [ 2 ] Obstructions caused by terrain, trees, buildings [ 3 ] Energy efficient windows and other construction materials Before purchase, please make sure your phone network's frequency is compatible with this signal booster. The signal booster device can only boost the mobile signal from base station, it can not create a signal, so if there is no any signal outside your house, the signal boosters would not help you at all. Use the follow codes to check signal strength using mobile phone:
Iphone: Please
dial: *3001#12345#*and see the signal strength number on the top left corner.
Android: Please dial *#*#4636#*#*and see the signal strength number in Phone information"menu. Say goodbye to missed 4G Internet in your home or office: Improve 4G internet for ATT LTE, Reduces dropped call, better voice quality, faster uploads and downloads. This cell signal repeater captures the reliable cellular signal you have outdoors and rebroadcasts it indoors, up to 200 square meters. Coverage will vary with outside signal strength, interior walls and distance from the Base Unit. Work for
Band 12 Verizon: This Signal Repeater kit is designed use for Band 12 LTE 700Mhz ATT 4G network. It includes everything you need to enhance cell phone signal coverage in your location.
Widely Application: This Cell phone signal boosters is High end residential, cost effective solution for small business application with weak outside signal. t is best used in airports, tourist areas, golf courses, tunnels, factories, mines, villages, hotels, basements, shopping malls, office buildings, residential buildings etc..