TH-22

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TH-22.TG.jpg

The TH-22/TG was a lightweight, frequency-shift keying device. I changed the dc marks and spaces of a teletypewriter to audio mark and space frequencies. The receiving end could break in on the transmitting end during 2-wire operation. It replaced the TH-5/TG.

Reference File

  • TM 11-5805-356-12

See Also

Telegraph apparatus

AN~TGC-30