• Country
• United States of America (USA)

• Manufacturer / Brand
• James Knights Co., The (CTS Knights); Sandwich, IL

• Year
• 1940 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 263360

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Crystal Filter FN-10 - James Knights Co., The CTS

• Notes

• 435.49 kHz.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from James Knights Co., The (CTS Knights); Sandwich, IL