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Foretravel Motorhome Forums => Foretravel Tech Talk => Topic started by: rvtinker on January 22, 2018, 12:16:20 pm

Title: Remove Old Cell Antenna From Glass?
Post by: rvtinker on January 22, 2018, 12:16:20 pm
My '91 U280 has a funky old cell phone antenna mounted on the passenger side window.  It was apparently special ordered when the coach was built as it is mentioned on the receipt. It appears to be glued to the outside of the glass with another part glued on the inside.  Some sort of inductive coupling I hope, but I suppose maybe there is a hole through the glass.  My question is, how exactly is this thing mounted and how can it be removed?  I am sure it is so obsolete as to have no functional value.
Title: Re: Remove Old Cell Antenna From Glass?
Post by: Roger & Susan in Home2 on January 22, 2018, 12:38:59 pm
Mike, my guess is there is a hole through the glass.  Is it metal?  If these are stuck on like the rear view mirror mounting base on a windshield they are removed by heating them up until the glue releases.  I would use an electric heat gun. When it comes off be sure to have a damp towel ready to catch it, it will probably be hotter than you want to catch in your bare hand.

There is a risk of breaking the glass removing this.  Is it worth the risk?
Title: Re: Remove Old Cell Antenna From Glass?
Post by: rvtinker on January 22, 2018, 01:21:57 pm
There is a risk of breaking the glass removing this.  Is it worth the risk?
Nope.  I guess I have an interesting conversation piece.

Thanks,
Title: Re: Remove Old Cell Antenna From Glass?
Post by: steve31 on January 22, 2018, 01:28:18 pm
It is an inductive antenna, no hole thru the glass. They were used a lot in the old car cell phone mounting applications and I had them for that and also 2 meter FM ham radio installations. When I removed them dribbled a little Acetone and let it soak down for awhile then CAREFULLY used a putty knife to slide down from the top to bottom. An adhesive pad is used to attach so there is some clearance for the knife. Don't get in a hurry and you should be fine. They actually work pretty well and you can always change the whip part for different frequency applications. Maker of the ham unit was Avanti. Googled it and see that Wilson is selling one as well. Might want to do a search and see if instructions on line.   
Title: Re: Remove Old Cell Antenna From Glass?
Post by: rvtinker on January 22, 2018, 03:21:44 pm
They actually work pretty well and you can always change the whip part for different frequency applications.   
You have convinced me.  It stays.  Maybe I will find a good use for it.
Title: Re: Remove Old Cell Antenna From Glass?
Post by: Gary Bouland (RIP) on January 22, 2018, 07:11:48 pm
Along with the Acetone use a length of very fine picture hanging wire or nylon string, work it around an edge and gently saw back and forth to cut thru the adhesive.
Gary B