Phonetone GSM 850MHz 70db Cellular Cell Phone Mobile signal Booster Repeater Amplifier with Outdoor Yagi Antenna and wir

EXCELLENT FUNCTION: Boost band 5 signal. Get fewer dropped calls, better voice quality
COMPATIBLE WITH ALL US NETWORKS: Works on Verizon, AT&T, T-Mobile, US Cellular, Straight Talk and more.
STOP DROPPED CALLS: Coverage up to 5000sqft,supports 50 simultaneous users,No more dropped calls.
GUARANTEE: 30 Days Customers Satisfaction,3 months Free Replacement,1 Year Manufacturer Warranty.
SIMPLE AND EASY TO INSTALL: Yagi antenna on the roof and facing the closest cell tower, keep outside antenna and indoor antenna separately by wall.