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Old 26th Oct 2017, 12:47 pm   #11
Neutrino
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Join Date: Oct 2016
Location: Maldon, Essex, UK.
Posts: 182
Default Re: Hotel Panel Radios

More details of the Biennophone 47 HL-S from Radiomuseum:
Main principle TRF with diode detector
Wave bands Long Wave and/or Very Low Frequency (VLF).
Details Wired Wireless Receiver (RF!)
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