I recently purchased a Garmin 680 and have the trial subscription to MSN. If I wanted to use the FM TMC, do I have to buy a special receiver that replaces the current receiver that is used for MSN?
I believe the 680 uses the MSN traffic only.
I think you are out of luck if you want to use TMC.
If you go on the Garmin Website, it has a chart that shows the nuvi 680 uses the a GTM 20 antenna/receiver for FM TMC. I'm wondering if anyone has had experience with the 680 and this antenna/receiver?
I got this today from Garmin,and yes,you would have to purchase a GMT 20 receiver should you want to switch.
Thank you for contacting Garmin International. Yes, you are able to use
the GTM 20 Receiver with the Nuvi 680. Please let me know if you have
any other questions.
With Best Regards,
Product Support Specialist
913-397-8282 (fax) Att: Justin M
Last time I checked, it was $214.99
I checked the price also and was surprised it was so expensive. For those interested in traffic alerts, the 680 maybe the best buy since it comes with the MSN antenna and receiver. I will stick with MSN at least until the GTM20 becomes more reasonable.
It runs about $180 on Amazon, which is still high when you already have MSN.
I got a new GTM-20 on eBay for $100. Be careful though, most for sale on eBay are used and do not have any subscription time left. That will cost another $60.
The GTM 20 is available for $154.57 at www.provantage.com, if you are interested.
OOPS! $122.85 at Amazon.com.
The GTM-12 is $122.85 at Amazon, the GTM-20 is $172.98 today (some of the affiliated resellers have it for a couple buck less after shipping is added).
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