Re: 12. Manufacturers have NO SPEC. on the Wireless equipment, is that normal ?

[Crash Gordon® <NONE@xxxxxxxx>]

When you buy gasoline for your car, does the gas station provide you =
with complete specs of the product? They should right?


<-pull@shoot> wrote in message =
news:1oto71hfaufrli4cpiag9e9drkscf1141a@xxxxxxxxxx
>=20
> Manufacturers technical specification data allow you to know the
> quality of the different proposed equipment's and brands.
>  Ask for them.
>=20
> How can professional keep telling you that the equipment they sell is
> reliable when manufacturers don't produce a specification clarifying
> the Radio Frequency Interference (RFI) aspect of wireless alarm
> systems who provide you with a warranty close?
>=20
> - Why do manufacturers not publish receiver quality as for example:
> bandpass (6db & 60db points), image frequency attenuation at 2xIF
> frequency, Intermodulation figures, IF signal rejection data, outbound
> frequency worst attenuation figure, and ++ in order to proof that
> they're system is of good quality and well designed to avoid "utmost"
> possible RFI?
>=20
> - Why do manufacturers simply not pretend/specify based on
> measurements, with technical data as a support, that they're system
> detect RFI at a specified time span and state what type of detection
> they use to avoid false alarms?
>=20
> Why, WHY?
>=20
> When you purchase an electronic equipment, a audio amplifier system
> for instance, do you not look at the specification to see what's the
> power, the amplifier audio response bandwidth and distortion, the
> speaker quality even if you don't know all the finesses of it?
>=20
>  The receiver/sensor data transmission is the MAIN DIFFERENCE between
> WIRELESS and WIRED alarm systems, WHY IS THERE NO MANUFACTURER SPEC.
> AVAILABLE on the subject?
>=20
>  ASK FOR RECEIVER/TRANSMITTER SPEC.'S
> - About the sensor/control panel wireless data loop,
> - That the manufacturers state the RFI reliability they are
> warranting, compare brands and decide.
>  Don't let so-called pro's bluff you with empty marketing slogans!
>=20
>     Newbees, don't rely on wireless alarm stuff, go wired.
>=20
> Paul
>