The car mount Passive Repeater extends the transmit and receive signals of mobile phone antennas. Easy stick-on installation - No drills required, no tuning, and nothing to hook up.It simply picks up the signal from your phone and transmits it outside, then pulls in the signal from outside to increase your reception!

• Reduce signal loss, cutoff, fade and static
• Non Powered, Non wired
• For use with all cellular phones
• Improves reception/transmission when using your phone inside car