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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 high rf reading with Backlight

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T O P I C    R E V I E W
TrueEMF Posted - 05/24/2026 : 07:36:49
hi all!

i have the gqemf 390 v2

i am getting high rf pulse readings with the Backlight enabled

i use uw/m2 . my baseline readings are 0.4-0.5 (no backlight)


as soon as i turn on the backlight i get pulses up too 30 but consistently 5,15, 25 of constant fluctuating pulsing

i have factory reset multiple times and i am on the newest firmware, i just bought the unit this month.


also my second issue is {vertical mode}, the "rf mode specifically" is super laggy once enabled. the device freezes and updates every 5-6 seconds and has a hard time switching modes after. other than that it has been a fun experience!


my rf gain is set to 10 (default)
will accept any tips or advice thank you!
1   L A T E S T    R E P L I E S    (Newest First)
EmfDev Posted - 05/26/2026 : 15:58:22
the backlight is using pwm so it may generate some noise.

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