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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 use of EMF-390		  New Topic  Reply to Topic
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flash

USA
3 Posts
Posted - 12/06/2019 :  12:25:12  Show Profile  Reply with Quote
I purchased an EMF-390 in hopes of being able to locate the source of interference for the open/close signal for my electrically operated driveway gate, such that I have to be very close to the antenna with the various signal devices to operate the gate when a system of landscaping lights near the gate is on. The EMF-390 appears to be well beyond my technical knowledge, so any help would be greatly appreciated.
Reply #1

EmfDev

2250 Posts
Posted - 12/06/2019 :  13:37:49  Show Profile  Reply with Quote
Hi flash, you need to check in which frequency does your remote operate? You can check the spectrum mode is there's something being detected when using the remote.
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Reply #2

flash

USA
3 Posts
Posted - 12/06/2019 :  14:04:13  Show Profile  Reply with Quote
The gate people say it is in the 310 to 315 MHz range.
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Reply #3

EmfDev

2250 Posts
Posted - 12/06/2019 :  14:13:37  Show Profile  Reply with Quote
Switch to the spectrum analyzer band to 240MHz-1040MHz. You can see there the remote signal around 310-315 if that's correct. You can zoom in to those values to check.
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Reply #4

flash

USA
3 Posts
Posted - 12/06/2019 :  14:38:07  Show Profile  Reply with Quote
thank you
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Reply #5

wolffmichael

USA
2 Posts
Posted - 03/11/2020 :  07:31:48  Show Profile  Reply with Quote
How can I switch the spectrum analyzer band to 240MHz-1040MHz?
Michael A Wolff
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Reply #6

EmfDev

2250 Posts
Posted - 03/11/2020 :  08:09:58  Show Profile  Reply with Quote
Hi wolffmichael, in spectrum band, hold the down button to display the selection screen for the other bands. then press down again once it popped up. then press select/menu key.
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Reply #7

wolffmichael

USA
2 Posts
Posted - 03/11/2020 :  08:34:47  Show Profile  Reply with Quote
Thanks!
Michael A Wolff
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