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Discussion Starter · #1 ·
Hey guys...maybe someone knows more about this then me, anyway i have a craftsman 1/2hp garage door opener on my garage.

Problem is the signal strength is way too good, (I live in an apartment) and I can activate the opener all the way from inside my APT, and a lot of times my girlfriend will leave her opener in her purse on the floor. I am worried to hell I will step on it and open my garage for thieves. Now there is a wire on the side of it I believe to be an antenna...if I cut it shorter will it decrease the signal strength?

TIA!
 
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Discussion Starter · #2 ·
You have to be careful with that... antenna harmonics are a tricky matter... certianly cutting it will drop the signal stregnth, but it may also render the transmitter useless. Believe it or not, that wire is cut to an exact length that matches up with the frequency the remote uses.

Look on the label on the back, or possibly in the battery compartment. Does it list the frequency it uses? Or at least the FCC ID?
 
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Discussion Starter · #5 ·
coiling the wire up and just using a cable tie to keep it together may lower the range a bit.
 
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Discussion Starter · #9 ·
OK.... it looks like it's about 4.5" now? That would match up with the FCC documentation.

If the coiling doesn't work so well, you can cut it to half its length.

The problem is, if it's a small enough apartment, it may just reach even if you cut the whole thing off. Your opener runs at 315 MHz in the VHF band, which cuts through walls pretty easily.
 
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Discussion Starter · #12 ·
I know this really doesn't solve your problem, but I believe Sears sells a device that tells you if your garage door is up from anywhere in your house. I believe it has a couple of LED's. When you garage door goes up, this wireless devices turns on a red LED to warn you that the door is up and then either shuts off or turns to a green LED when it is down. May not be a solution to your problem, but it may help.
 
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Discussion Starter · #15 ·
lol this is the best girlfriend of found so far ;)

Navydevil: thanks for looking into this so much! it is a craftsman door opener, and the antenna wire is about 12 inches long... My apartment is probably a block or so away from the garage so it's a pretty good distance.

iridered: i'll definently look into that :)

I have not seen a remote with a safety feature over the button. I had the remote in my jacket pocket yesterday when I was sitting on my bike waiting for it to warm up and I even accidently opened it...


You guys can try to get the bike out of the garage I also have it cabled to the wall :patriot::thumb:
 
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Discussion Starter · #17 ·
why would she have the opener?? make her use the keypad if it's such a big issue. I'd assume that the bike and a car can fit in.
 
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Discussion Starter · #19 ·
MACI4LIFE said:
why would she have the opener?? make her use the keypad if it's such a big issue. I'd assume that the bike and a car can fit in.
She doesn't like the keypad... "too much trouble i hate that thing" and it's pretty big/bulky, besides I like using it so I KNOW I can't screw up and leave the door open lol.

The bike and her car plus a bunch of my tools are in the garage.
 
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Discussion Starter · #20 ·
Isnt there a sort of box/cover you can get that will stop you from opening it? It is the cheapest idea ive heard so far, well apart from getting a new GF etc.
 
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