• Country
• United States of America (USA)

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

• Year
• 2005 ??

• Category
• Morse-Equipment & TTY, RTTY, TDD etc.

• Radiomuseum.org ID
• 215388

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 cm = 1.4 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Electronic Keyer Paddle MFJ-422D - MFJ Enterprises; Starkville MS

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 126 x 76 x 140 mm / 5 x 3 x 5.5 inch

• Notes
• MFJ Electronic Keyer Paddle 422D.
  Geber ist das Iambic Paddle BY-1 von Bencher. Geschwindigkeitsbereich 25···325 BpM; Umschaltbar zwischen halbautomatischem (wie mechanischer Bug) und automatischem Betrieb; intern umschaltbar zwischen Iambic A und B; eingebauter Mithörtongenerator; Tastausgang für direkten oder Gittersperrspannungs-Betrieb; (intern umschaltbar); externe Stromversorgung mit 12 VDC möglich.

• Net weight (2.2 lb = 1 kg)
• 1.520 kg / 3 lb 5.6 oz (3.348 lb)

• Price in first year of sale
• 180.00 EUR

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

• Author
• Model page created by Bernd P. Kieck. 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)