It's not clear from your post but is this actually causing any problem? Do all your Wi-Fi and Bluetooth issues clear up when you turn this display off?
At the moment all we know is that you've found that a component in your monitor is putting out noise on a certain frequency, but that's all.
When shifting the monitor out of the office and using just the laptop screen the issue seems to go away for the mouse/keyboard. I am not totally sure yet if the problem is erradicated as the WiFi issues are mainly seen on my PC/server (which obviously needs a screen and it's where there appears to me micro interruptions rather than the signal is not usable. This means pressing F5 a lot.
Oh yeah, 612kHz (or 612KHz as the radio labels it) although i'm sure you all knew this
Is the Dell monitor at the tip ....or did you otherwise find the source of the inference?
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MHC
and it's where there appears to me micro interruptions rather than the signal is not usable. This means pressing F5 a lot.