» Garmin GTM 20 FM TMC Traffic Reciever http://www.forerunnergarmingps.com Sun, 05 Feb 2012 15:43:48 +0000 en hourly 1 http://wordpress.org/?v=3.0.4 Garmin GTM 20 FM TMC Traffic Reciever http://www.forerunnergarmingps.com/2010/02/11/garmin-gtm-20-fm-tmc-traffic-reciever/ http://www.forerunnergarmingps.com/2010/02/11/garmin-gtm-20-fm-tmc-traffic-reciever/#comments Thu, 11 Feb 2010 18:42:15 +0000 ForerunnerGarminGPS http://www.forerunnergarmingps.com/2010/02/11/garmin-gtm-20-fm-tmc-traffic-reciever/

The GTM 20 is an integrated FM TMC (Traffic Message Channel) traffic receiver, antenna and cigarette lighter adapter. It receives digital information (where available) on traffic and road construction tie-ups that your compatible Garmin unit uses to offer an alternate route.

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