TomTom RDS-TMC antennas

not sure about the 950 exactly, I've always had 730 lives, but I do know the traffic is NO where as good as Google maps, it just gives you issues ahead on your route, if you can even get an FM radio signal that covers the area you need. I've migrated myself now to the Garmin HD traffic which covers much more area without FM only dependence, and give you much quicker and more reliable updates. That all said, the RDS-TMS is still ALOT better than nothing while traveling.

I'm in North America, so can't help you with NZ stations much. The picture is of the original traffic attachment device, and the one I had only lasted the 1 year's subscription built into it. I now have a power cord with Traffic built into that provides traffic to mine,

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but I believe that may be a "LIVE" feature and may not work with yours. You'll need to research whether this will work with a 930. Good Luck!!!

No, that is the wrong connection for a Go 950..the one you have pictured has a connector like this one:

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I think everyone uses RDS-TMC from SUNA here in NZ,personally even in Auckland having Traffic info does not help like in North America or Europe as the road infrastructure doesn't allow for multiply alternative routes.

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Check out this

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Good night comrades. I revive this post to comment on my experience with a GO 730 and an RDS-TMC v3 antenna.
The experience here in Spain is that the TMC system was never given the importance it deserved. The antenna is fast and fluid, it picks up coverage quickly, but the traffic information is not very reliable in real time, due to the carelessness of the Spanish institutions.
I hope this experience can be useful to a colleague.
All the best.

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I think my RDS-TMC receiver was one of my best buys ever.

It has got me out of and around so many traffic jams here in the UK.
Going coast to coast it normally worked 98% of the time.
After getting a car with a heated front windscreen it only worked 25% of the time until I connected it to an external aerial, now it works 99% of the time.

Apologies if this information is of no use in New Zealand.