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Compatibility | nüvi 5000, nüvi 610, nüvi 650, nüvi 660, nüvi 670, nüvi 755T, nüvi 765T, nüvi 775T, StreetPilot c510, StreetPilot c550, zūmo 550, zūmo 660 |
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Cable length | 1.6 m |
Product color | Black |
Interface | 18-pin |
Weight | 76.5 g |
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Explains the Garmin GTM 21 FM TMC Traffic Receiver and how it utilizes TMC data for route adjustments.
Details on receiving traffic data via premium or public services and checking subscription status.
Instructions for connecting the GTM 21 traffic receiver to the GPS device and vehicle power outlet.
Explanation of the Power and Status LED meanings for operational feedback and troubleshooting.
Guidance on registering the traffic receiver online for potential updates and services.