GOBOOST Low Radiation & High Gain Signal Booster Work on Four Bands with LCD Display丨The Best Choice for Rural Areas Use

🏠STRONG GAIN🏠 The GB20 cell phone signal booster has a maximum gain of up to 70dB, multi-band applicability. It can boost weak signals, eliminate signal dead spots and reduce dropped calls. Provide users with better voice quality and faster data upload and download speeds. 🏠 SIGNAL VISUALISATION & SUITABLE FOR MOST USERS🏠 Equipped with an intelligent quad-band LCD display for signal reception and to visually see signal problems and make adjustments, it is very convenient and easy to use. It can boost the signal of 20 users and devices at the same time, suitable for multiple mobile phone systems and brands. 🏠 SAFETY & SECURITY🏠 We understand that safety and reliability are the basic requirements of our products, so we not only focus on signal boosting, but also give full consideration to the safety of our products to provide you with a worry-free experience.The GB20 mobile phone signal booster is equipped with multiple intelligent protection mechanisms, which include overload