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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 EMF-390 suggestion: Add AM demodulator

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T O P I C    R E V I E W
smanfred Posted - 04/06/2020 : 02:42:12
My device: GQ-EMF-390v2 Re 3.50

My suggestion:
It would be great if you could add an AM demodulator for the RF unit to hear the terrible sound of the digital pulses. This makes it easier to identify the signal source and to convince people to turn of their WiFi, DECT and mobile data devices.

You could either use the built in speaker or add a 3.5mm headphone jack for audio output.

Otherwise the GQ-EMF-390v2 is a great device.

Thanks,
Manfred
4   L A T E S T    R E P L I E S    (Newest First)
smanfred Posted - 05/02/2020 : 12:31:43
quote:
Originally posted by EmfDev

I asked our engineers and said that the 'Ghost Mode' in alarm simulates the RF noise. But that is digital. But for analog, they said there's going to be interference with EMF readings and others.

Thanks for your reply. I tested "Alarm Type" "GHOST" and it's good enough to hear the 10 Hz WiFi pulse among a lot of higher frequency noise. For such things I prefer the AM demodulator of the EMFields Acoustimeter. Anyhow, the GQ EMF-390 is a great device.
EmfDev Posted - 04/21/2020 : 12:21:28
I asked our engineers and said that the 'Ghost Mode' in alarm simulates the RF noise. But that is digital. But for analog, they said there's going to be interference with EMF readings and others.
smanfred Posted - 04/20/2020 : 15:18:24
@EmfDev:
Can you please forward my suggestion to the engineers working on the EMF-390? Thanks
quote:
Originally posted by smanfred

My device: GQ-EMF-390v2 Re 3.50

My suggestion:
It would be great if you could add an AM demodulator for the RF unit to hear the terrible sound of the digital pulses. This makes it easier to identify the signal source and to convince people to turn of their WiFi, DECT and mobile data devices.

You could either use the built in speaker or add a 3.5mm headphone jack for audio output.

Otherwise the GQ-EMF-390v2 is a great device.

Thanks,
Manfred
igel Posted - 04/06/2020 : 08:01:05
quote:
Originally posted by smanfred
You could either use the built in speaker or add a 3.5mm headphone jack for audio output.



I just add headphone amplifier module. To EM and RF sources, as wrote here in my post.

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