Transmitter Receiver Type CW925

Short Range Radio Telephoning Set for 32 Volt DC supply consisting of:

  • Transmitting Receiving CW 925
  • Amplifier CW 926
  • Dynamotor System CW 927
  • Switch Board CW 928
  • Loud Speaking Telephone CW 929
  • Hand Set CW 930
  • Trans. Vacuum Tubes CW 931
  • Rec. Vacuum Tubes CW 933
  • Transmitter Amp CW 967
  • Filter CW 968
  • Antenna Switch CW 969
  • Range 250M t 400M
  • Serial No. 158
  • Req. No. NSA 1216-18
  • Cont. No. Date 1918

One thought on “Transmitter Receiver Type CW925”

  1. Used on Eagle & Small Patrol Boats in WWI. The world’s first push-to-talk radio. It has essentially the same parts as a radiotelephone of 1915.

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