• Country
• Great Britain (UK)

• Manufacturer / Brand
• Harris Overseas Ltd.; London, later Harvard

• Year
• 1982 ??

• Category
• Citizen Band Equipment

• Radiomuseum.org ID
• 307174

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 10700/455 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 13.2 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.6 inch = 9.1 cm

• Power out
• 1.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Harvard 40 Channel CB Mobile Transceiver 420M - Harris Overseas Ltd.; London,

• Dimensions (WHD)
• 176 x 58 x 214 mm / 6.9 x 2.3 x 8.4 inch

• Notes

• Mobile CB radio for use on UK 27MHz FM system (CB 27/81)

  40 Digital PLL Synthesised Channels; 27.60125MHz to 27.99125

  RF power out 4 watts

  Dimensions exclude knobs and sockets.

  Made in Japan by Cybernet Electronics Corp.

• Author
• Model page created by Mike Edwards † 25.10.21. See "Data change" for further contributors.

• Other Models

• Here you find 19 models, 18 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Harris Overseas Ltd.; London, later Harvard