Does this sound like a pet-locator beacon at 125 kHz?
I googled 'beacon 125 khz' and got some web-pages talking about short-range (up to 100 meters / 300 feet) devices around that frequency.
Some were beacons used for pets. Others were some kind of door-lock mechanism (key-less door-locks or electronic door-locks)
Would they sound like this? (beep... beep... beep... beep... endlessly)
If not; what might this one be?
I recorded a minute of it and put on youtube:
Get help identifying an unknown signal.
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