• Country
• United States of America (USA)

• Manufacturer / Brand
• MFJ Enterprises; Starkville (MS)

• Year
• 1992

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 211078

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 1

• Semiconductors

• Main principle
• something special ? Please give information (notes)

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Lambic Key Module MFJ-412 - MFJ Enterprises; Starkville MS

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 55 x 25 x 70 mm / 2.2 x 1 x 2.8 inch

• Notes
• Plug-in Iambic Keyer Module for MFJ QRP 90xx serie Transceivers (i.e. MFJ 9015, 9020, 9017, 9040); mode "A" or "B" iambic response; speed range 3 to 66 WPM; panel speed control knob; based on Curtis 8044ABM I.C.; 3.5 mm stereo plug for paddle.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Source of data
• -- Original-techn. papers.

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

• Other Models

• Here you find 67 models, 65 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MFJ Enterprises; Starkville (MS)