GTM™ 12

Part Number: 010-00570-00
Processing time is 1–3 business days.
Find a Dealer


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.

Total Traffic Network Traffic Master

In the Box

  • GTM 12 FM traffic receiver
  • Owner’s manual


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.

Check for Updates


Compatible Devices