Unknown 451p4500

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"Smart" meter, remote sensor, or ?
Unidsmartmeter.png
Frequencies 450 MHzMegaHertz (MHz) 10^6 Hz450,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
450,000 kHzKiloHertz (kHz) 10^3 Hz
,470 MHzMegaHertz (MHz) 10^6 Hz470,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
470,000 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 450000000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).450,000 kHzKiloHertz (kHz) 10^3 Hz
450 MHzMegaHertz (MHz) 10^6 Hz
470000000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).470,000 kHzKiloHertz (kHz) 10^3 Hz
470 MHzMegaHertz (MHz) 10^6 Hz
Mode USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables)
Modulation
Location USA
Short Description Intermittent digital, and occasionally morse code, possibly trunked?
I/Q Raw Recording
Audio Sample

Seen @ 451.4500MHz, FCC Reg. to DTE Gas Co. Hart, MI Possibly "smart" gas meters, pressures sensors, valves, pumps, work crews, etc.


Additional Images[edit]

An image I caught of a similar, on 451.125 MHzMegaHertz (MHz) 10^6 Hz. Ywsia1

451.125 spectra.PNG

Samples[edit]