TH-22
The TH-22/TG was a lightweight, frequency-shift keying device. It 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
- DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL
TOOLS LISTS
- TERMINAL, TELEGRAPH TH-22/TG AND FILTER ASSEMBLY,
ELECTRICAL
- F-316/U
- 13 OCTOBER 1972