Use To Amplify The Cell Phone Signal In Car/ Truck/ RV; Voice/ Text/ 4G Data; 50 decibels (dB) Maximum Gain; 700 MHz At Band 12/17/13/ 850 MHz At Band 5/ 1700/2100 MHz At Band 4/ 1900 MHz At Band 2; 6 Volt/ 2.5 Amps; 6-1/4 Inch Length x 4-1/2 Inch Width x 1 Inch Height; With 4G Signal Amplifier/ 4 Inch Magnet Mount Antenna/ Slim Low-Profile Antenna/ Power Supplytable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Ltl Freight Required: f