Garmin GTM10 FM Traffic Reciever for StreetPilot 2720 and C340
The Garmin GTM 10
is a small FM-band traffic receiver that connects with your car radio/antenna system to provide real-time Traffic Message Channel (TMC) data to compatible Garmin GPS navigation products which then depict and identify problem areas on their moving-map displays.
For now that's the Garmin Streetpilot 2720 and the Streetpilot c340.
The TMC data gives prompt, accurate notification of accidents, road construction, police, or emergency action, etc. - so drivers can visually monitor traffic flow and, if necessary, select an alternate route.
The TMC traffic alerting system works on an FM sideband signal which utilizes RDS (Radio Data Service) technology. You need to subscribe to a local service for thes feature. Digitized and coded real-time traffic broadcasts are received via a "silent" FM data channel - which means that drivers can still listen to music or news programming on their car radios, without interference from the incoming FM traffic data transmissions. In most areas, depending on the service provider, TMC traffic broadcasts are continuous - there's no waiting for scheduled traffic news updates or random alerts. With the GTM 10, you see traffic developments in real-time, as they happen, so you can make the right decision sooner. The system will alert you when a traffic problem is on your route and propose an alternate route to avoid the incident.
Isn't this what a GPS in the car should do?
Want to learn more?
See our GPS Review:Garmin StreetPilot 2720 vs. Magellan Roadmate 760
or our GPS Review: Garmin StreetPilot c340
Read More in: Automotive GPS | GPS Accessories | GPS News | GPS Reviews
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Posted by Scott Martin at August 31, 2005 9:06 PM
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