CELLULAR PHONE ANTENNA

Improves reception/transmission when using your phone inside vehicle! 3 dB gain and passive-repeater circuit board reduce signal loss, cutoff, fade and static Easy stick-on installation—nothing to hook up and no tuning Antenna with 13" mast adheres to the outside glass, coupler box mounts inside. Picks up signals from your phone and transmits them outside, pulls in signals from outside for sharp reception. Mount antenna away from steel vehicle components.