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Author Topic: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...  (Read 46333 times)

ross guyer

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Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« on: January 04, 2005, 12:18:22 PM »

I have a boat load of X-10 equipment,
several cameras and other related wireless
devices fro X-10.
Shortly after I went to broadband and
extablished a network and installed a phone
system all using the same 2.4GHz frequency.
Changing the cameras to different channels
makes no difference. The interference is
beyond the ability to make out a picture
from the camera.
Any possible advice before I put all this
stuff out on Ebay??
Thanks!
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AccessX10

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #1 on: January 04, 2005, 12:40:44 PM »

Ross,

More then likely it’s your phones causing
the interference with the cams. Are
they “spread spectrum” 2.4GHz phones. Most
people, who want to continue using their
wireless cams, switch to 900MHz or 5.8GHz
phones. This is a fairly common problem
amongst the X10 community. Try
disconnecting/un-plugging the phones
completely, see if that clears up the issue.

http://www.accessx10.com
Come join the X10 community!
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ross guyer

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #2 on: January 05, 2005, 12:04:38 AM »

Thanks for the quick response.
I have unplugged my base unit and I ended
up having to turn off my wireless network
as well. I primarily used the video sender
and receiver but haven't been able to for a
couple years now. I also have about 6 of
these phones so throwing them out isn't
really an option. But as I said, the
wireless network also caused enough
interference that you couldn't use either
the camera or the video receiver/sender.
I'll probably do an inventory and just sell
it. Since it has been 2 years, I figured
taht X-10 had found some solution since
more and more use of 2.4 ghz in wireless
networks is growing. Thanks anyway though!!
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AccessX10

  • Guest
Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #3 on: January 05, 2005, 11:28:57 AM »

Ross,

You can generally adjust the wireless
channel at which your wireless network
operates. I have a Linksys Wireless G setup
working fine with the X10 2.4 wireless
devices.

http://www.accessx10.com
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ross guyer

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #4 on: January 13, 2005, 09:34:00 PM »

Its the phones. I have to totally unplug
the base unit go get rid of the
interference.
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jay

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #5 on: January 14, 2005, 07:58:40 AM »

It sounds like using a 5.8GHz phone will
work.  Is there a technology to stay away
from with these phones, like the spread
spectrum?  Do you have to use a 5.8GHz non
spread spectrum to work with the wireless
cameras?
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ross guyer

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #6 on: January 14, 2005, 10:07:42 AM »

I haven't been able to use my cameras or
video sender and receiver since I purchased
the 2.4 ghz phones and then my wireless
network just added to the interference. I
have too much invested in phones to just
switch to 5.8ghz. Look for a truckload of X-
10 products on EBAY coming soon.  LOL
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jay

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #7 on: January 14, 2005, 11:08:01 AM »

There has to be a ton of unhappy people that
have 2.4GHz technology.  I am curious if it
is only the spread spectrum technology and/or
is there another technology that is used on
the 2.4GHz and the 5.8 GHz.  I think I am
going to go to Best Buy and purchase a 5.8
and try it out.  I know my 2.4 spread spec
does not work with the wireless cameras.
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ross guyer

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #8 on: January 24, 2005, 04:14:35 PM »

From what I read, 5.8 is fine but
unnecessarily expensive. Consumer Report
seems to recommend 900 mhz as a cheap and
efficient alternative.
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bob

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #9 on: January 27, 2005, 02:24:14 AM »

My camera is mounted up against an outdoor
lamp.

Does anyone know if putting aluminum foil or
any other type of sheild on the back side of
the paddle antenna of an X 10 camera will
stop other RF or electrical interference
signals?

Thank you.
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bob

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #10 on: February 01, 2005, 01:21:51 AM »

You guys are really making me feel good about
this box that was just delivered.  Are you
reading X-10 ??????????????? or just
delivering the plastic?
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ross guyer

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #11 on: February 01, 2005, 09:33:17 AM »

Sorry Bob, I have no clue what you are
talking about. The only issue I have
mentioned in this thread was the
interference from my 2.4GHz phones. If you
are interested in purchasing any X-10
cameras please let me know.
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netguy

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #12 on: August 25, 2006, 05:47:40 PM »

Interference these days on 2.4 Ghz is rampant !

The following are steps to help eliminate your interferences:

To get your X-10 2.4 Ghz wireless camera working properly,
first unplug all Cordless Phones and Wireless Networks,
take out batteries of wireless Thermometers and Caller ID
devices, and any other wireless device in your home,
that you suspect may transmit on 2.4 Ghz.

Now check your X-10 Camera.

If the picture is good, then you can continue by plugging in
your other electronics one step at a time.  Each time verifying
that the picture quality has not changed.  Sooner or later you
will discover that something was interfering with the X-10 Camera.

The next step is to try each of the four X-10 Channels A thru D.
This must be done by setting the slide switch on BOTH the
Receiver and the Transmitter.  After trying each combination
of the four channels, and you still have a interference problem,
here are your options;

If the problem was found earlier to be caused by a Cordless Phone
then you need to replace this phone with either the old school 900Mhz
or the newest band of 5.8Ghz Cell Phones.  One very important point,
All 5.8 Ghz phones are not equal. There are 5.8 Analog, and 5.8 Digital, and 5.8 Spread Spectrum.
No matter which phone you chose, make sure it says "Wireless Network Friendly" on the box.
The reason is that not all 5.8 Ghz phones transmit and receive in
the 5.8 Ghz range.
  Look at the specifications in the manual or on the web. Most manufacturers
have downloadable manuals or otherwise post the cordless phone specs on the web.
What you will find is that many Transmit in 5.8Ghz and Receive in 2.4Ghz (or visa-versa), while still calling themselves
a 5.8 Ghz Cordless Phone. The "Wireless Network Friendly" units will all transmit and receive on 5.8Ghz.

If your Wireless Network was found to be the problem, you can search this forum for "Wireless Networks"
and find many posts taliking about interferences and listing the various frequencies of Router and X-10 Channels.
Here's a quick recap of those various posts;

X10 camera center frequencies:  (note these vary +/- .010 Ghz)
 
Channel        Frequency (Ghz)
   A                2.411
   B                2.437
   C                2.455
   D                2.471


Router Channel center frequencies for 802.11b and 802.11g:


Channel        Frequency (Ghz)
    1              2.412       
    2              2.417       
    3              2.422       
    4              2.427       
    5              2.432       
    6              2.437       
    7              2.442       
    8              2.447       
    9              2.452       
   10             2.457       
   11             2.462       

First try setting your X-10 Camera for Channel A, and the Wireless Router for Channel 11.
This did not work for me, but the other end did. I set my X-10 Camera for Channel "D",
and my wireless router on Channel 1, and that solved my no picture interference problem.
To change channels on your wireless router, consult your manual or tech support.
There is usually a utility you can run or access on the web, which will allow you to change
the router channels. Just do a search "Changing Router Channels <manufacturer name here>",
and this will get you started in the right direction.  Good Luck !
« Last Edit: September 02, 2006, 11:49:00 PM by netguy »
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TakeTheActive

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #13 on: August 25, 2006, 10:11:06 PM »

Nice write-up! :)

Especially the detail about:

Quote
What you will find is that many Transmit in 5.8Ghz and Receive in 2.4Ghz (or visa-versa), while still calling themselves a 5.g Ghz Cordless Phone. The "Wireless Network Friendly" units will all transmit and receive on 5.8Ghz.

The 2 included charts are also "Nice-to-Know" Information:

Quote
X10 camera center frequencies:  (note these vary +/- 10hz)
 
Channel        Frequency (Ghz)
   A                2.411
   B                2.437
   C                2.455
   D                2.471


Router Channel center frequencies for 802.11b and 802.11g:

Channel        Frequency (Ghz)
    1              2.412       
    2              2.417       
    3              2.422       
    4              2.427       
    5              2.432       
    6              2.437       
    7              2.442       
    8              2.447       
    9              2.452       
   10             2.457       
   11             2.462       

You definately get a 'Helpful' from me! :)
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Duck69

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Re: Interference Between X10 & non-X10 2.4gHz Wireless Equipment...
« Reply #14 on: August 26, 2006, 11:41:20 PM »

 ;D NetGuy, your post is extremely good. Very educational.
I have a Uniden PowerMax TRU8866 5.8 ghz 2 line phone system. 1 line is my normal phone service and the other is VOIP.
I have had no interference problems at all.
Your post will be a great help to many.  ;D
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