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Author Topic: CM15A Range (another thread...)  (Read 2326 times)

poursha

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CM15A Range (another thread...)
« on: December 27, 2005, 02:00:13 AM »

Just wanted to post my status.  I'm only 2
weeks into X10 (newbie), but I pretty quickly
became frustrated with RF problems.

I started by pretty much skipping the CM15A
and going with a Stanley Transceiver that I
had sitting around.  This worked GREAT if I
only had direct cmds (no macros) and I used
the CM15A for TIMERS.  In fact, the Stanley
Transceiver is much faster in response than
the CM15A.

Started having problems when I tried to
create some simple macros.  Crazy, random
results.  I guess the Stanley Transceiver and
the CM15A weren't communicating very effectively.

So, frustrated, and really wanting to get
into using macros, I ditched the Stanley
Transceiver, and went back to the CM15A.
Arrgh, the range sucks.  Using Palm Pad is
so-so.  But, the stick switches is a joke.

I've read the many threads regarding
improving the range of the CM15A.  Since it
is after midnight right now, a trip to the
Shack is not really an option.  So, I went
with option #2.  I just opened the box and
pull the antenna straight; extending the wire
outside the CM15A box.  For now, I just taped
it to the wall (horizontal).  For those
interested, the wire was looped, and NOT
bunched up.  Purchased about 2 weeks ago.

This alone seems to have added about 50% to
the range.  My house is 3300 sqft.  The CM15A
is pretty much center located, first floor.
And, I can almost get all the way to my
Master Bedroom; second floor, 30-40 ft from
center.  With the Stick Switch I get about
75% performance.  With the Palm Pad, I get
almost 100% from this range.

I'm looking forward to building a super
antenna and getting full range from stick
switches.  I bought 7 of them for $35 last
week.  <grin>

Rob
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Brian H

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Re: CM15A Range (another thread...)
« Reply #1 on: December 27, 2005, 06:58:37 AM »

Yes the newer units have the receiving
antenna in a U form around the case. Maybe
tacked on with hot glue. My newer one is
like this. Original units had a balled up
mess as my original one was. Also the RF
receiver in the older and newer ones are
different. I did the external antenna mod
found on accessha.com on my older model. It
was vastly improved reception wise. Best of
cource is an all house code receiver from
WGL but costs a fair amount. A new antenna
on the cm15a maybe just what you needed.
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