Siren antenna for security system

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Mar 28, 2012 | 08:03 PM

jay87LX

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Siren antenna for security system

Why is it important that the antenna for the siren doesn't touch the frame? I bought the siren to add to my factory security and I didn't get any velcro with it. Despite having read about it in the directions I didn't think about it as parts of the directions were wrong so I figured there were some updates and the velcro wasn't needed.
If I need to I can swing by Home Depot and get a strip of velcro

Mar 28, 2012 | 09:23 PM

SoCalMike

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From: San Diego, CA

I suspect it has to do with grounding the antenna and it not working. I bought the 'Smart Siren II' (I think that's it) and it came with velcro. FYI.

Mar 28, 2012 | 09:31 PM

FLHTCU Owner

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From: North Texas

Quote:

Originally Posted by SoCalMike

I suspect it has to do with grounding the antenna and it not working. I bought the 'Smart Siren II' (I think that's it) and it came with velcro. FYI.

Yes, thats the reason. That, and it just won't get a good signal if its touching the frame.

Mar 28, 2012 | 10:14 PM

shooter5074

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From: Western Illinois, land of bad roads, and corrupt politicians

It's because of the transmitting distance for the optional pager. If the antenna is grounded, the pager won't work right.

Mar 29, 2012 | 11:43 PM

Potato_Potato

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From: Minnesota

I think there are two versions of the siren, if I recall. One doesn't have the ability to activate the pager and doesn't have a antenna. Are you sure you bought the right one.