• Country
• United States of America (USA)

• Manufacturer / Brand
• B&K (Precision), Dynascan Corp., Cobra Electronics; Chicago, IL and Yorba Linda, CA

• Year
• 1970 ??

• Category
• Citizen Band Equipment

• Radiomuseum.org ID
• 160472

• • alternative name: B&K Manufacturing Company

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 13,8 Volt

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

• Power out
• 2.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: CB-Mobilfunkgerät Cobra 21 - B&K Precision, Dynascan Corp.,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 150 x 55 x 220 mm / 5.9 x 2.2 x 8.7 inch

• Notes
• 23 Kanäle quarzgesteuert 27 MHZ-Band (m11)
  Frequenzbereich: 26,965-27,255 MHz
  S-Meter-Anzeige und relative Output-Kontrolle
  Sendeleistung 3,8 Watt.

• Net weight (2.2 lb = 1 kg)
• 1.4 kg / 3 lb 1.3 oz (3.084 lb)

• Literature/Schematics (1)
• Selezione Radio-TV Novembre 1973

• Author
• Model page created by Eduard Abfalterer. See "Data change" for further contributors.

• Other Models

• Here you find 113 models, 109 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from B&K (Precision), Dynascan Corp., Cobra Electronics; Chicago, IL and Yorba Linda, CA