[Elecraft] K3 and wireless intruder alarm
Jim Brown
jim at audiosystemsgroup.com
Sat Jul 13 13:37:23 EDT 2013
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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