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Author Topic: X10 Home Security Radio Frequency  (Read 19811 times)

BENCHMARKMAN

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X10 Home Security Radio Frequency
« on: April 25, 2010, 07:24:34 AM »

What frequency band does the X10 home security system use?  I'm getting significant interference on my wifi network and the only thing left is the x10.  Does it run in the 2.4ghz band?  Is there a way to change channels?
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Brian H

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Re: X10 Home Security Radio Frequency
« Reply #1 on: April 25, 2010, 07:41:20 AM »

The Security Console and Sensors use 310MHz. As do the X10 RF remotes.
The Icon RF remote and X10s remote extenders use 418MHz.
The X10 OEM for Black and Decker RF use was 418 MHz.
Only 2.4GHz X10 devices are wireless cameras and audio video senders.

Do you have a microwave oven? Try unplugging it as we have seen some interfere with wireless cameras.
« Last Edit: April 25, 2010, 07:49:20 AM by Brian H »
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HA Dave

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Re: X10 Home Security Radio Frequency
« Reply #2 on: April 25, 2010, 10:07:51 AM »

... I'm getting significant interference on my wifi network and the only thing left is the x10

Does that mean you eliminated all the other 2.4 ghz devices.... like phones, baby monitors, intercoms, bluetooth devices, or other devices that may use bluetooth [2.4ghz] like cell phones, BlueRay players with wireless internet connections, and even a handful of digital picture frames.

Also "significant interference" is a slight bit vague. There is also a bunch of problems a router can experience that can can slow or cause dropped connections.

I am NOT saying your problem isn't being caused by an X10 camera [or other audio/video device] but more info is needed. Although.. to be honest I have seen X10 wireless cameras be interfered with by a wifi router.... I have never seen a camera mess with a internet connection.
« Last Edit: April 25, 2010, 10:14:07 AM by Dave_x10_L »
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vantech

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Re: X10 Home Security Radio Frequency
« Reply #3 on: October 24, 2010, 11:44:47 PM »

Oh yeah i had to change the channel on my router so that 2  X10 cameras wouldn't knock me off line.  Usually your wireless router is on auto for the channel selection not mine had to pick a channel and then try it, i also change my cordless phone to 5.0 ghz due to interference of the cameras
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vantech

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Re: X10 Home Security Radio Frequency
« Reply #4 on: October 24, 2010, 11:48:00 PM »

"I have seen X10 wireless cameras be interfered with by a wifi router.... I have never seen a camera mess with a internet connection."

Nope never had it screw up my internet connection only my wireless side of my router which effectively knocked me off the internet
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J.B.

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Re: X10 Home Security Radio Frequency
« Reply #5 on: October 24, 2010, 11:52:25 PM »

FWIW, my router will drop the Wifi or speeds slow considerably when one wireless x10 camera I have in use is turned on.
Changing channels on both the camera and router to be as far away as possible from eachother seems to help slightly in some areas.
I still have many dead zones unless I power the camera off totally.
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HA Dave

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Re: X10 Home Security Radio Frequency
« Reply #6 on: October 25, 2010, 01:20:04 PM »

I guess my experience with cameras interfering with WiFi... is just that... only my own. I don't see any reason why the cameras couldn't interfere with WiFi... but I haven't seen it. Sorry if the cameras are messing with your wireless connection. That would be a bummer.
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Brandt

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Re: X10 Home Security Radio Frequency
« Reply #7 on: October 25, 2010, 01:43:51 PM »

I've found that a Netgear usb adapter on the same usb hub as my w800usb whole house receiver completely crippled the w800usb (i've informed wgl) to where the w800usb wasn't even receiving unless I touched it with the palmpad.

So yes, I would say that wi-fi at 2.4GHz interferes with X10 RF @ 310mHz.

I bet my X10 RF remotes would work so much better if all the computers were wired with their wifi antennas disabled..
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Brian H

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Re: X10 Home Security Radio Frequency
« Reply #8 on: October 25, 2010, 03:30:15 PM »

I seriously doubt the 2.4GHz and 310MHz are stepping on each other.
More like your USB adapters don't like to share the port.
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HA Dave

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Re: X10 Home Security Radio Frequency
« Reply #9 on: October 25, 2010, 03:45:09 PM »

I seriously doubt the 2.4GHz and 310MHz are stepping on each other.

I agree Brian H. If a user says the cameras knock them off their WiFi network... I believe them. Even though I've never experienced that myself.

But Radio waves are everywhere. If two frequency's so far removed from each other could cause interference with each other. Then no form of radio would ever work.
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Brian H

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Re: X10 Home Security Radio Frequency
« Reply #10 on: October 25, 2010, 04:17:44 PM »

Well it could be Murphy and his laws again.  ;)
Maybe front end in the receiver of the WGL W800USB is so overloaded. The 310MHz can't get thorough.
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dave w

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Re: X10 Home Security Radio Frequency
« Reply #11 on: October 25, 2010, 04:49:19 PM »

So yes, I would say that wi-fi at 2.4GHz interferes with X10 RF @ 310mHz.
No, I don't think so either. Must be something else causing it.

The radiated power from X10 310MHz transmitters is very low to begin with. Any interference to 2.4 GHz would be near the eighth harmonic of the X10 transmitter, I doubt it is at a level to even be measurable.  X10 certainly could not get FCC type acceptance if they were radiating measurable power at the eighth harmonic.
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Brandt

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Re: X10 Home Security Radio Frequency
« Reply #12 on: October 25, 2010, 05:02:04 PM »

Well WGL stated that it is usually RFI that causes the w800usb to become unresponsive like that. The w800usb was on /dev/ttyUSB1, and the Netgear adapter was on /dev/wlan0
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Brian H

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Re: X10 Home Security Radio Frequency
« Reply #13 on: October 25, 2010, 06:41:22 PM »

Yes I now believe the WiFi's transmit signal maybe overloading the w800usb's receiver. If they are close together.
Sounds like it anyway. As having to get the HR12A right on top of it would indicate receiver desensitisation.
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dave w

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Re: X10 Home Security Radio Frequency
« Reply #14 on: October 25, 2010, 07:55:25 PM »

Well WGL stated that it is usually RFI that causes the w800usb to become unresponsive like that. The w800usb was on /dev/ttyUSB1, and the Netgear adapter was on /dev/wlan0
Sorry Brandt, I read your statement "So yes, I would say that wi-fi at 2.4GHz interferes with X10 RF @ 310mHz" and had mental dyslexia. I thought you were saying the 310MHz X10 remotes were interfering with your WiFi.   :'
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