Without any additional information we can only guess. It would be good if you could open the radio and see where the wire from the connector goes.?
The most likely explanation is to send an IF signal out to an SDR dongle (like an RTL-SDR or SDRPlay) to give you a band-scope for the radio, but that's only a guess.
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On Apr 25, 2025, at 14:11, zio.rick via groups.io <zio.rick@...> wrote:
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[Edited Message Follows]
[Reason: Wrong title... Strange not Strane]
Hi to all!
I have a great FT817ND... bought used, replaced the internal battery and all run well. I replaced the "light" power connector with a coupler that provide two Anderson connector from Windcamp.
I noticed about a small SMA connector on rear... I don't know why it is here... Some friends told me that it can be a wide-spectrum signal from IF (???). Someone know something?
?
Thanks to all,
IU0MJE, Riccardo.
