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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 EMF-390 Firmware
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3 Posts

Posted - 01/07/2023 :  01:08:10  Show Profile  Reply with Quote
Pretty sure I have the original EMF-390 (not v2) as I've had it since 2019, but what's the current firmware for the original?

Model: GQ-EMF390
Revision: Re 2.60

Reply #1


2017 Posts

Posted - 01/09/2023 :  11:39:33  Show Profile  Reply with Quote
Hi Scope, it seems you still have the latest version for your device.
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3 Posts

Posted - 03/25/2023 :  12:55:28  Show Profile  Reply with Quote
Aaaand just acquired a EMF-390 v2, revision # is 3.72

Any updates for this one?

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Reply #3


1 Posts

Posted - 09/30/2023 :  00:01:58  Show Profile  Reply with Quote
Hello, I just signed up for this forum. My apologies in advance if the questions below have been answered somewhere already.

I ran into two issues when interfacing my EMF-390 to a MacBook Pro. Communications are fine, but there are two responses that look like a firmware issue to me:

<GETRFDBM>> -54 dbm(734 MHz) OK
<GETRFDBM>> -59 dbm(-1879 MHz) << Negative frequency when holding the sensor near a Verizon 5G Internet Gateway box
<GETRFTOTALDENSITY>> 393 uW/cm2 (0.24-8G) << Display on the unit itself shows "0.24-10GHz"

Are these known issues? If so, is there a more recent firmware version that fixes these?

Thank you for your help,
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