Remote Doorbell?

I have an existing wired doorbell, button at the front door, transformer in garage, sounding unit in the main hallway.
I'd like to add a sounding unit on my patio.
Any cute ways to do that without stringing wire thru a very difficult-to-negotiate attic?
Maybe some add-on RF gizmo?          ...Jim Thompson
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On 1/21/2014 12:22 PM, Jim Thompson wrote:

Mine's not wired and has batteries in button and receiver unit. Believe you can buy these with more than one receiver. Otherwise with what you want, you can try searching for some sort of wireless attachment for what you have.
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On 1/21/14, 12:22 PM, Jim Thompson wrote:

Maybe use a "Baby Monitor" setup. Sending unit near the bell/chime. Receiving unit on the patio. Also becomes portable if needed in garage or basement ?
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Interesting idea ;-)          ...Jim Thompson
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On Tue, 21 Jan 2014 10:22:26 -0700, Jim Thompson

"wireless" doorbell button - take the "chime" onto the patio. Just a little reed relay will do the job because there is virtually no current required.
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On Tue, 21 Jan 2014 10:22:26 -0700, Jim Thompson

I see a potential problem.... What if you are next door sponging tools off the neighbor.... You might consider replacing the interior sounding unit with something like this....
http://beforeitsnews.com/mediadrop/uploads/2013/38/8d1d9a0120df0e4ba3cfb4 60ae3b574dcb3785d7.jpg
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This device can be wired into your existing system and provide "remote sound". Multiple units can be added to system if required.
(Amazon.com product link shortened)
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On 01/21/14 12:22 pm, Jim Thompson wrote:

Carlon "Extend-A-Chime." Just under $20 when I bought mine.
Although it says "Chime," it may well work in conjunction with a bell as well.
Perce
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*I installed the Extend-a-Chime for a customer. It has a little device that gets wired into the door chime and a remote plug-in module that chimes when the doorbell button is pushed. I think that Smarthome.com has them.
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On Tue, 21 Jan 2014 10:22:26 -0700, Jim Thompson

I did just that. I started with a cheap wireless doorbell, but I certainly didn't want two buttons at the front door, and I didn't want to have to maintain a battery in the button.
So I took the button contacts in the wireless button and ran a jumper between them so they were always closed, and I ran wires from the existing transformer to the the battery connector in the new button.
Well, one wire started with the wire that was only hot when the existing button was pressed. Then I put in a small diode to change part of the transformer output to DC. My button was iirc 9VDC and I have the higher voltage transformer, which I think is 18 volts, or lower. So rectified it came out to 9, the rectified it came out to about 8 or 9. The wireless button is attached to a floor joist, next to the transformer and basement door bell.
The receiver is plugged into the 2nd floor hall.
If someone is really quick with the button, they can ring the front hall and basement bells, without giving the button enough time to start the second floor noise-maker going. But so far, I don't think that has happened for others, only for me during testing.

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