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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 OLD version of EMF-390 with KHz band		  New Topic  Reply to Topic
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Ton

2 Posts
Posted - 03/19/2026 :  14:44:28  Show Profile  Reply with Quote
I need OLD version of EMF-390 with KHz band

1.
Is it possible to order a version OLD version of EMF-390 with frequencies:

Frequency band 1: 150KHz to 531KHz
Frequency band 2: 520Khz to 1710KHz
Frequency band 3: 64MHz to 108MHz
Frequency band 4: 2.3MHz to 23.00MHz
Frequency band 5: 240MHz to 1040MHz
Frequency band 6: 2.4GMhz to 2.5GMHz

2.
For the version with these frequencies, will there be firmware updates (I see that new firmware is being posted on the forum, but I don't know if it will work for the OLD version with these frequencies...)
Reply #1

EmfDev

2401 Posts
Posted - 03/19/2026 :  15:25:31  Show Profile  Reply with Quote
Checked with support and said we still have at least 1 left. If you order, please specify in the note that you want the RF 6-BAND OLD VERSION. And email support with your order number with your request.

The old version cannot be upgraded to the latest one. The firmware still works so no need to worry about updates.
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Reply #2

Ton

2 Posts
Posted - 03/20/2026 :  05:45:53  Show Profile  Reply with Quote
quote:
Originally posted by EmfDev

And email support with your order number with your request.

Should I write to support@gqelectronicsllc.com ?
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