Garmin GTM 20 Black GPS receiver module

GTM 20 with lifetime traffic Power your nüvi and get lifetime traffic updates all with one cable.

Avoid Traffic Tie-ups
The GTM 20 provides North America traffic information to compatible Garmin GPS navigators. Using this data, your device alerts you to local traffic tie-ups and displays current traffic levels. The receiver also acts as an in-vehicle power charger. Traffic provided by NAVTEQ Traffic. See our lifetime traffic page for details.