Re: 1. First announcement about RFI i made..

From: Paul C (compass-security_at_btconnect.com)
Date: 07/30/04 

Date: Fri, 30 Jul 2004 12:22:50 +0000 (UTC)

Chuffing drivel again

"--" <Paul> wrote in message
news:0ndkg0l4qc9dmje0qgl5bptn67bo3o7rja@4ax.com...
>
> The announcement is that Wireless Alarm Systems are
> unreliable during "Radio Frequency Interferences" known as RFI.
>
> RFI take place when the wireless alarm system receiver receives two or
> more transmitted signals simultaneously.
>
> During RFI your system is:
> DEAF on signal reception, and
> DEAD on warning the worst being that
> YOU DON'T KNOW IT, no warning.
>
> What "normal in the air" types of signals are able to produce RFI who
> will jeopardize theyre operation?
>
> The "un voluntary" muzzling signals with RF Transmitters operating:
> - At the wireless frequency (433 or 868 MHz)
> - By Intermodulation
> - On the IF frequency
> - Saturating the receiver
> - Harmonics
> - Falling in the receiver band pass
> - And more...
> In essence the problems caused by interference is the fact that by no
> way two (or more) devices can use simultaneously the same frequency.
>
>
> Attitude of "so called" ALARM PROFESSIONALS:
>
> I only wanted:
> 1. To point to pro's that simple but "involuntary" RFI, block alarm
> warning THE WORST because it happen 7/7 days and 24/24 hours a day
> 2. I wanted to warn pro's regardless the fact that it can be provoked
> with a simple low power (portable) transmitter from the outside by
> intruders...
>
> Since I mentioned that, at a sudden PRO'S DISCOVERED RFI and started
> to be CONCERNED
> about the EFFECT ON THEY'RE SELLING IMAGE and PROFIT.
>
> Instead of looking to the real problem RFI causes, no,
> PRO'S TRY to HIDE REALITY.
>
> 1. Instead of "analyzing" the RFI problem
> 2. Instead of "submitting my affirmations to they're product
> manufacturers" for eventual support.
>
> NO, pro's wanted to "handle" it themselves, they're way by attempting
> to block my posts...
>
> They behave like "low educated, low knowledge level electricians".
> They RAISE SMOKE CURTAINS and more in an attempt to generate
> uncertainty and fear in order to put my statements in doubt, they have
> only selling arguments, business and financial interests obliges.
>
> Pro's have "NO MANUFACTURER SUPPORT".
>
> Pro's are convinced about RFI problem inherent to "all" wireless alarm
> systems OLD and NEW but they just don't like to admit it.
> They have recommended and sold SO MANY of them in the past..
>
> Pro's with they're irresponsible attitude disgust me.
>
> Of course everybody knows that the technical "knowledge pre-requisite"
> to be an authorized alarm dealer/installer is almost nothing,
> - a little bit basics in electricity,
> - low in electronics and
> - zero in radio communication.
>
>
> Paul
>

Relevant Pages

  • Re: 1. First announcement about RFI i made..
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  • RE: Re: 1. First announcement about RFI i made..
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    ... Paul ... >> The announcement is that Wireless Alarm Systems are ... at a sudden PRO'S DISCOVERED RFI and started ... >> about the EFFECT ON THEY'RE SELLING IMAGE and PROFIT. ...
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