RTL-SDR

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RTL-SDR

Merializer
This post was updated on .
To find the frequency of the peaks
i measured on the Esmog Spion,
i bought a RTL-SDR kit for 22€ ($26.95).
range: 25MHZ tot 1.7GHz.
i'm an amateur, i don't know if this
thing is very useful, but it shows peaks
at 169 MHz (paging) perfectly matching the Esmog Spion peaks
seen in my TETRA video.
I installed this device in 5-10 minutes
following the walk through on their website.

Links:
https://www.rtl-sdr.com/buy-rtl-sdr-dvb-t-dongles/

https://hackaday.com//11/19/rtl-sdr-as-a-spectrum-analyzer/

Do some research, there are all kinds of models with more range
for more money.
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Re: RTL-SDR

Merializer
I replaced my video.
Now with the RTL-SDR in action:

https://www.youtube.com/watch?v=Cply44At5xQ
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Re: RTL-SDR

earthworm
looks and sounds very useful, thanks for sharing.