Cell Phone Signal Booster for RV, Motorhome, Truck, Bus, Boat or Small House - Band 12/13/17 700MHz Cellular Repeater Boosts 4G LTE Data & Volte Signal Amplifier for Verizon AT&T in RV

?Boost VoLTE & Data Signal?: Reduces missed voice calls over 4G service (also known as 4G HD Voice/VoLTE), increases 4G LTE data speed for uploads and downloads. (Not for GSM calls & text).?Automatic Gain Control?: The booster can detect the level of available incoming signal, then adjust itself for best performance. It provides a maximum signal gain of 50dB. It means that your booster will always optimize to provide you the optimal signal and connection to your cellphones.?Easy to Set up?: All hardware and instructions included, requires no technical experience or extra fee. DIY installation (Upgraded stronger magnet antenna). Here has more tips for you if needed.?Guarantee?: FCC Certified, 30 Days Money Back, 3 Months Free Replacement, 5 Years Manufacturer Repair.