Description of 📶 FourSeas 4G Cell Signal Booster for Home - AT&T/T-Mobile/Verizon - Dual Band 2/4/12/17 CDMA/LTE FDD - 65dB 1900Mhz(Band2)/1700Mhz(Band4)/700ac(Band12)/700bc(Band17)
I.【 Support AT&T/T-Mobile/Verizon 3G 4G LTE not 5G】This 4 Bands Booster supports GSM, 3G, 4G(not 5G) LTE for Verizon, AT&T, T-mobile and all phones on band 2(1900),band 4(1700),band 12(700ac),band 17(700bc). It Is A Better Choice For AT&T T-Mobile Verizon Service. (Pls Check Your Band and Outside Signal Before Purchase). II.【 Wide Coverage 】Full Range Antennas With High Gain, They Can Capture Better Signal up, Tips:the signal sometimes influenced by the buildings or trees around the roofAnd Broadcast Stronger Signal Cover Up To 2,500sq Ft In The Building(home, office, shop, building, warehouse, etc.). III.【 Multiple Simultaneous Users 】Multi-user simultaneous connectivity: Smart phones, Tablets, Modems, Wifi hotspots can all directly connect at the same time. Compatible with iPhone 12/11/X/SE/8/7/6, Samsung Galaxy, Motorola, HTC and other Android phones and Cworks for multiple phones simultaneously. IV.【 Advanced Features & Smart Device 】Automatic Gain Control, Self-oscillation Elimination and Inactivity Mode, it means once the booster kit was setup, it will adjust the gain automatically for best performance. V.【 Performance Guaranteed& FCC Approved 】FCC Approved and 30-Day Money-Back Guarantee, We Have Professional Technical Team Support, If You Have Any Questions, Please Contact Us.