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Author Topic: MS 16a to TM751 transceiver max distance?  (Read 4205 times)

BoyntonStu

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MS 16a to TM751 transceiver max distance?
« on: August 05, 2010, 08:55:55 AM »

What is the maximum distance that I can place the TM751 from the MS 16a motion detectors?

We cannot tolerate the annoying clicks.

(The 3 AM's will be located out of hearing range)


I see several possibilities:

1.  Remove/disconnect the (unused) latching relay from the TM751.  (Is there a link?)

2.  Place the TM751 in the garage if the MS 16a signals will reach it.

3.  If 2. fails can we increase the range by lengthening the antenna?

Crawling along, hopefully to success.
« Last Edit: August 05, 2010, 08:57:35 AM by BoyntonStu »
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Brian H

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Re: MS 16a to TM751 transceiver max distance?
« Reply #1 on: August 05, 2010, 09:03:25 AM »

Maximum distance is dependent on the exact installation.
If there is metal and such between them the distance maybe fairly short. Few obstructions and the distance maybe greater.
Actual test maybe needed in your installation.

Mounting a motion sensor on a metal surface will make it a very short distance. Its antenna is on the PC Board that is close to the mounting plane.

Our Search Function is your friend.

#1: http://forums.x10.com/index.php?PHPSESSID=ho0tdub83bk959rv85da9go576&topic=20434.0

  Not using the Unit Code 1 also will stop the clunk.
« Last Edit: August 05, 2010, 09:15:35 AM by Brian H »
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nybuck

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Re: MS 16a to TM751 transceiver max distance?
« Reply #2 on: August 05, 2010, 06:43:32 PM »

Lengthening your antenna(s) can be tricky.  The length is tuned to the frequency sent/received.

Check out this post:  http://forums.x10.com/index.php?topic=20178.0
Passive antenna modification.

I have read good reports from this method.
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>!

dave w

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Re: MS 16a to TM751 transceiver max distance?
« Reply #3 on: August 05, 2010, 07:48:54 PM »

Here is another link with a little more detail thanks to the badgering from our friend "TTA"

http://forums.x10.com/index.php?topic=10982.msg74580#msg74580
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"This aftershave makes me look fat"

pconroy

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Re: MS 16a to TM751 transceiver max distance?
« Reply #4 on: August 06, 2010, 02:01:11 PM »

Lengthening your antenna(s) can be tricky.  The length is tuned to the frequency sent/received.

Check out this post:  http://forums.x10.com/index.php?topic=20178.0
Passive antenna modification.

I have read good reports from this method.

the coat hanger tricked worked for me.
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