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Forum Discussion
Radio Interference with ham radio 2 meter band.
Came across the same issue as previous topic. NetGear 36 router causes interference on 144.710 mHz. Unpluging the power at the router eliminated the issue. That frequency is used for the input to ...
What do you expect for an old guy who was on the cutting edge of personal computers and now can barely dial his smartphone! I have an N300 Wireless Router , WNR2000v4 . No external antenna. Only been in ham radio for a few years, so surprise, surprise, I don't know everything yet; wasn't born knowing everything like a few people I know. Shielding? Perhaps, but I don't know off-hand what to try. I don't have a Faraday cage at the moment. Something else I will have to Google. But the point is, this device should not be putting out electromagnetics on the FCC regulated frequencies.
> [...] No external antenna. [...]
That could make it tough to add a cage without blocking the desired
signals. Otherwise, I'd try some aluminum window screen. Plenty of
other models have external antennas.
> [...] But the point is, this device should not be putting out
> electromagnetics on the FCC regulated frequencies.
As suggested elsewhere, some research on "FCC Part 15" might be
interesting. Practically any device with an oscillator emits something,
and square waves (and other pulse trains) are rich in harmonics.