• Country
• United States of America (USA)

• Manufacturer / Brand
• Workman Electronic Products Inc., Delta, Ohio

• Year
• 1980 ??

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 192847

• 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
• Metal case

• from Radiomuseum.org
• Model: Low Pass Filter TVI-2K - Workman Electronic Products

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 240 x 60 x 60 mm / 9.4 x 2.4 x 2.4 inch

• Notes
• Suppression of unwanted harmonics into the antenna system; impedance 50 Ohms; attenuation up to 65 dB for frequences above 57MHz; normal power level 2kW on CW and SSB; peak power level 5kW when SWR below 1.5:1; UHF SO-239 coaxial jack I/O terminal.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Workman Electronic Products Inc., Delta, Ohio