• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shack (Tandy, Realistic, Micronta); USA

• Year
• 1978 ??

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 140131

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type) / 117 / 12 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Realistic Patrolman PRO-3A 20-452 - Radio Shack Tandy, Realistic,

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

• Dimensions (WHD)
• 12.5 x 4 x 10 inch / 318 x 102 x 254 mm

• Notes
• Realistic Patrolman PRO-3A, 20-452, VHF/UHF Monitor Receiver;
  Coverage:
  VHF lo: 30 - 50 MHz,
  VHF hi: 152 - 174 MHz,
  UHF: 450 - 470 MHz,
  squelch & selectivity control, AF filter, separate VHF lo/UHF & VHF hi tuning, 11 W power consumption, phones jack, tape out jack, separate VHF & UHF antenna in, probably made in Japan.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1299 models, 1181 with images and 117 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA