Foil insulation on windows

Submitted: Wednesday, Jan 20, 2016 at 08:53
ThreadID: 131403 Views:1770 Replies:6 FollowUps:4
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Just reading the thread on fridge bags.I have a prado with the radio antennas attached to the back qtr glass.I was wondering if I were to atttach insulation with suction caps ,will this have a negative influence on radio reception?
Thanks
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Reply By: Allan B (Member, SunCoast) - Wednesday, Jan 20, 2016 at 09:41

Wednesday, Jan 20, 2016 at 09:41
Hi Geoff,
Probably would have no significant effect provided that the foil was insulated from any metal body.
Experience has shown me that antenna behaviour is not always predictable so try it and see. A preliminary test using alfoil and sticky tape may give some indication.
Cheers
Allan

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Follow Up By: Geoff H18 - Wednesday, Jan 20, 2016 at 10:10

Wednesday, Jan 20, 2016 at 10:10
Thanks Alan
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Reply By: Kazza055 - Wednesday, Jan 20, 2016 at 09:48

Wednesday, Jan 20, 2016 at 09:48
As it will be on the inside I don't see it effecting the antenna.

I am about to do the same thing with the canopy windows on my D-Max. I went to Red Dot and picked up three screen shades for $2.99 each - cheap as chips ;=))

AnswerID: 595182

Follow Up By: Malcom M - Thursday, Jan 21, 2016 at 06:51

Thursday, Jan 21, 2016 at 06:51
Huh?
How does being on the inside surface of the glass affect your thinking?

The point is whether or not the metalised plastic surface of the screen has an adverse effect on the antenna. Glass has extremely little impact on RF signals.
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Reply By: MarkHugh - Wednesday, Jan 20, 2016 at 10:42

Wednesday, Jan 20, 2016 at 10:42
My view differs from those above; I am sure the foil will ruin the radio reception.

Mark
AnswerID: 595184

Follow Up By: Member - Boobook - Wednesday, Jan 20, 2016 at 20:19

Wednesday, Jan 20, 2016 at 20:19
Yep, me too.

The radio waves don't care about inside or outside the glass. But they do care about the foil being between the antenna and the transmitter. It will block some signals and cause reflection interference on others.

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Reply By: Shaker - Wednesday, Jan 20, 2016 at 11:08

Wednesday, Jan 20, 2016 at 11:08
It is a well known problem that even after market window tinting affects the Prado radio reception, check on PradoPoint.
I am thinking of changing to an external aerial.

AnswerID: 595186

Follow Up By: Geoff H18 - Wednesday, Jan 20, 2016 at 11:20

Wednesday, Jan 20, 2016 at 11:20
Thanks Shaker,I got the non-metalic tint on the back windows
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Reply By: Member - ACD 1 - Wednesday, Jan 20, 2016 at 11:23

Wednesday, Jan 20, 2016 at 11:23
Geoff

I won't hazard a guess at radio interference, but watch the use of suction cups on your windows.

I had mine attached with suction cups and it started to lift the tinting. I don't know if it is a common problem or unique to me.

Cheers

Anthony
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AnswerID: 595187

Reply By: Malcom M - Thursday, Jan 21, 2016 at 06:55

Thursday, Jan 21, 2016 at 06:55
What sort of antennae are you talking about here. Is this an AM/FM radio, mobile phone, UHF etc?

Antennae behave differently at different frequencies. Depending on your application it will be disastrous or have little impact.

As you are using sticky cups, stick it on and find out for yourself...
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