The GTM 12 is an integrated FM Traffic Message Channel (TMC) traffic receiver and antenna. It receives digital traffic information,* allowing your compatible Garmin device to route you around accidents, construction and other obstacles to save you time.
Combines antenna, traffic link and 12-volt power adapter.
No professional installation required — just use the suction cups to attach the antenna to your vehicle’s windshield, plug it in to your device, and drive.
Provides real-time traffic data — no waiting for scheduled traffic news updates or random alerts.
Won't interfere with music or news on your FM car radio.
*Traffic services are available only in select cities where coverage exists. A subscription may be required to enable traffic service.
In the Box
GTM 12 FM traffic receiver
Maps for New Regions
Need maps for other regions? See all maps that are compatible with this device.
Need a map update?
Update the maps that came with your device for the best navigation experience.