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What is this antenna?

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Old Oct 10, 2019 | 01:29 PM
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What is this antenna?

I've seen this on the back of our 2017 Nav and wonder what it is for? There is the typical hockey pock GPS antenna on the front roof for SiriusXM and navigation; the radio antenna appears to be lines in the passenger rear quarter window. So I'm puzzled what the stubby antenna on the roof is, pictured with the green arrow. Anyone know?

 
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Old Oct 11, 2019 | 05:31 AM
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Nobody else has this antenna? Ours is an L Reserve model.
 
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Old Oct 11, 2019 | 07:39 AM
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Originally Posted by troverman
So I'm puzzled what the stubby antenna on the roof is
That is the regular AM/FM radio antenna.
 
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Old Oct 11, 2019 | 07:40 AM
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Really? What are all the lines in the passenger side rear-most window for, then? That antenna is so small I would think it would be pretty ineffective for AM/FM reception.
 
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Old Oct 11, 2019 | 07:43 AM
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Originally Posted by troverman
Really? What are all the lines in the passenger side rear-most window for, then? That antenna is so small I would think it would be pretty ineffective for AM/FM reception.
The lines in the rear quarter glass are a side defroster. The antenna is newer technology, where new materials make the reception better and the antenna shorter.
 
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Old Oct 11, 2019 | 07:45 AM
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OK, seems different, but thanks for the info. Reps sent.
 
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Old Oct 11, 2019 | 12:41 PM
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Originally Posted by alloro
The lines in the rear quarter glass are a side defroster. The antenna is newer technology, where new materials make the reception better and the antenna shorter.
The physics of antennas hasn't changed. It's just a lousier antenna.
 
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Old Oct 11, 2019 | 04:03 PM
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Originally Posted by alloro
The lines in the rear quarter glass are a side defroster. The antenna is newer technology, where new materials make the reception better and the antenna shorter.
Just like I suspected, this is not the case. The lines occur only on the passenger rear quarter window and cover only part of the glass. They are clearly the radio antenna and not a defroster. Still mystified as to what that roof antenna is.
 
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Old Oct 11, 2019 | 05:22 PM
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Wrap it in tin foil and see what stops working. A tin foil hat for your Navigator.
 
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Old Oct 11, 2019 | 05:58 PM
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Anybody have the repair manuals for the 2017? Should be a quick way to find out...

Possibilities: Cellular antenna, FM, AM, satellite, or maybe if it's a used vehicle somebody added a CB antenna.

If you've excluded satellite, FM/AM, and CB, then I'd say it's a cellular antenna. Does your sync system connect wirelessly?
 
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Old Oct 11, 2019 | 07:30 PM
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It looks like cellular but I don’t see any way for Sync to use it.

Do all 2015-2017 Navigators have this antenna?
 
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Old Oct 11, 2019 | 10:55 PM
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it's probably part of an aftermarket Cell Booster/repeater system ... it's not listed on Ford's Parts Website

I can't see it well enough to tell if it is a Profin or not

https://amphenolprocom.com/products/das/1460-profin
 
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Old Oct 12, 2019 | 04:08 AM
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Just unscrew or unplug the antenna or wrap it in aluminum foil to block the signals and see what stops working
 
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Old Oct 12, 2019 | 06:01 AM
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It does seem like other Navigators don't have it. I know "Ford Pass" came out in 2018 for Ford vehicles, but I wasn't sure if my 2017 Navigator L Reserve might have been an early adopter.

I'll try to snap a photo from roof level, maybe there is a brand or logo on it.
 
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Old Oct 12, 2019 | 06:12 AM
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Originally Posted by troverman
It does seem like other Navigators don't have it. I know "Ford Pass" came out in 2018 for Ford vehicles, but I wasn't sure if my 2017 Navigator L Reserve might have been an early adopter.

I'll try to snap a photo from roof level, maybe there is a brand or logo on it.

Ford Pass works on my son’s 2016 Edge, and it just has the regular stub type antenna over the rear hatch.
 
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