• Country
• Germany

• Manufacturer / Brand
• Wisi (Wilh. Sihn); Niefern bei Pforzheim

• Year
• 1976 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 183905

• • Brand: Sihn jr., Wilhelm; Niefern

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Storage batteries (perhaps also batteries)

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Antennenmessgerät WA-22 - Wisi Wilh. Sihn; Niefern bei

• Shape
• Tablemodel, low profile (big size).

• Notes
• Empfangsbereiche: Fernsehen/UKW.
  Pegelbereich: 30-130 dBµV Fernsehen. 10-130 dBµV UKW.
  Messunsicherheit: ± 2dB /TV, ± 3dB /UKW.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Price in first year of sale
• 2,600.00 DM

• Mentioned in
• Funk-Technik (FT) (11/76 Seite 350)

• Author
• Model page created by Egon Strampe. See "Data change" for further contributors.

• Other Models

• Here you find 141 models, 105 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wisi (Wilh. Sihn); Niefern bei Pforzheim