Cell Phone Signal Booster for All Carriers on Band 2/4/12/13/17/25 | Up to 7,000 Sq Ft with 2 High Gain Indoor Antennas | Easy Installation App Support

【Greatly Enhance Cell Phone Signal】Compatible with U.S. carriers (Verizon, AT&T, T-Mobile etc.) and networks (5G 4G LTE 3G),receive Band 2/4/12/13/17/25 signal.
【Designed for Large Areas】Built-in antenna signal amplifier host + high gain wall-mounted antenna provides great signal coverage for areas up to 7,000sq,ft. (Please note: coverage area range depends on the outdoor signal level and the building structure of your house.)
【Signal Advisor APP】Help you find the nearest cell tower and check signal strength with step-by-step instructions, making installation much easier! Please download the ‘Signal Advisor' APP to test your mobile phone frequency band before purchasing.
【Advanced Functions & Smart Device】The booster has AGC(Automatic Gain Control) function, which can intelligently detect the existing signal strength, adjust the gain correspondingly for best performance, the real-time working status of the amplifier can be displayed through a high-definition display.
【FCC Approved】INVCALL cell phone booster comes with up to 3-year warranty, 90-day replacement, 30-day return and free professional technical support.

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