[Elecraft] K3 and wireless intruder alarm

[Reginald J Mackey SR]

We have ADT wireless and no problems

Reggie k6xr
Amateur radio 58 years
DXCC, RCC, WAC

Sent from my iPad

On Jul 13, 2013, at 10:37 AM, Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 7/13/2013 10:25 AM, David Andrews wrote:
>> Am I likely to trigger the alarm?
> 
> Alarm systems in general, at least in North America, are notoriously bad for RF susceptibility. The coupling mechanisms are primarily poorly filtered signal wiring, Pin One Problems, poor circuit layout, and poor shielding.  To the extent that it has less external wiring, a wireless system MIGHT be less problematic, but those other mechanisms are still there.  Suppression methods are addressed in http://k9yc.com/RFI-Ham.pdf
> 
> 73, Jim K9YC
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