Big gain (5dB for digital phones, 3dB for analog phones) provides the reception/transmission power to eliminate static, interference or dropped calls
Pretuned for optimum VSWR for analog & digital wireless frequencies from 800 MHz to 1900 MHz
10 times greater signal than a cell phone in a car without an outside antenna!
Easy stick-on installation-no drilling
Base mounts to window with double-side tape included. 12" steel mast with closed, whistle-free coil adjusts for best angle...can be removed for car wash. Includes 14-ft. cable with mini UHF/TNC/BNC connector for easy connection to any hands-free phone holder with external antenna output. Can also be used as passive repeater antenna by not using cable.