New-Lifetime Traffic Receivers - GTM20
Compatible products: StreetPilot c550 c580 nuvi 650 660 670 680 750 760 770 780 755 765 775 785 850 880. Traffic tie-ups can't always be prevented. But with Garmin's GTM 20 portable traffic receiver you can often avoid them. The GTM 20 is an integrated FM TMC (Traffic Message Channel) traffic receiver antenna and cigarette lighter adapter.
