• Country
• United States of America (USA)

• Manufacturer / Brand
• Smith Company, Wm. M.; Broomall (PA)

• Year
• 1950 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 194406

• Wave bands
• - without

• Power type and voltage
• Other, details in remarks or not known.

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Callsender Electronic 2-Way Communicator CS-20-M - Smith Company, Wm. M.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 7.5 x 5.75 x 4 inch / 191 x 146 x 102 mm

• Notes
• Smith Callsender Electronic 2-Way Communicator CS-20-M.
  For use with CS-20-S(lave) only.

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

• Other Models

• Here you find 2 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Smith Company, Wm. M.; Broomall (PA)