Here is another cell phone signal booster that improves battery life and reduces dropped calls. The HiBoost 10K Smart Link is a smartphone signal booster that covers up to 10,000 sq.ft. It can boost 4G LTE, 3G and 2G phones.
This booster can deliver up to 65+ dB gain. It boosts talk, text, and data. The companion app helps you fine tune max power.