• Country
• Japan

• Manufacturer / Brand
• Roadstar; Japan

• Year
• 2005 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 191371

• • Brand: Roadstar El. GmbH

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries / 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 cm = 1.6 inch

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: AM/FM Pocket Radio TRA-2212 - Roadstar; Japan

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 60 x 105 x 30 mm / 2.4 x 4.1 x 1.2 inch

• Notes
• AM frequency range from 522 kHz to 1629 kHz; FM range from 87,3 MHz to 108.1 MHz;
  Battery 2 x 1.5V LR03 or equivalent; five memory channels.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 94 models, 92 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roadstar; Japan