GARMIN GTM20 FM TMC TRAFFIC RECEIVER
Traffic tie-ups can't always be prevented. But with Garmin's GTM 20, they can often be avoided.
The GTM 20 is an integrated FM-band receiver, antenna, and cigarette lighter adapter that provides real-time Traffic Message channel (TMC) data to compatible Garmin GPS navigation products-which then depict and identify problem areas on thei…
