[Elecraft] Smoke detectors

Harlan Sherriff hsherriff at reagan.com
Thu Oct 29 15:57:00 EDT 2020


Dave, I totally agree. I am sure the “problem” the manufacturer is cautioning about is RF, since my original post was about “wireless connected” detectors. My gripe was nothing in the sales literature warned against it. Not till I bought the units and read the installation guide

Sent from my iPhone

> On Oct 29, 2020, at 3:51 PM, Dave B via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Well, RF (AKA "Radio Waves") can falsely trigger all sorts of equipment
> that was not "designed" to work with, or be influenced by them.
> 
> That is the classic EMC Susceptibility or Immunity problem.  Basically,
> poor design and/or implementation of the affected (or sometimes bad
> installation of an otherwise good) device.
> 
> To do it right, costs money, so you can guess the rest.
> 
> 
> Not just smoke detectors either.
> 
> Dave G8KBV
> 
> 
> 
>> On 28/10/2020 21:10, elecraft-request at mailman.qth.net wrote:
>> Radio waves are non-ionising radiation, so there is no fundamental
>> reason why radio frequencies should trigger ionisation detectors.
> 
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