This cell phone signal repeater booster is high gain 55dB for car??truck??RV??boat</br>This cell phone signal repeater booster will only work for Band 13 Verizon 700MHz 4G Lte ( Frequency range:776-787MHz/746-757MHz )</br>This cell phone signal repeater booster will reduce dropped calls and improves the voice quality in car</br>This cell phone signal repeater booster co