Compatible Models
aera 550, aera 560, nüvi 5000, nüvi 650, nüvi 660, nüvi 670, nüvi 680, nüvi 750, nüvi 755T, nüvi 760, nüvi 765T, nüvi 770, nüvi 775T, nüvi 780, nüvi 785T, nüvi 850, nüvi 855, nüvi 880, nüvi 885T, StreetPilot c550, StreetPilot c580, zūmo 660
The GTM 20 is an integrated FM Traffic Message Channel (TMC) traffic receiver, antenna and 12-volt power adapter. It receives digital traffic information for North America,* allowing your compatible Garmin device to route you around accidents, construction and other obstacles to save you time.
- Covers North America.
- Combines antenna, traffic link and 12-volt power adapter.
- No professional installation required — just plug it in and drive.
- 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.