• Country
• Japan

• Manufacturer / Brand
• Seiwa Corporation; Tokyo

• Year
• 1980 ??

• Category
• Commercial Transmitter & Receiver (TRX not Amateur)

• Radiomuseum.org ID
• 314360

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Transceiver; ZF/IF 21400/455 kHz

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• 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) / Ø 6 cm = 2.4 inch

• Power out
• 2 W (max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: VHF Transceiver unknown - Seiwa Corporation; Tokyo

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 195 x 75 x 250 mm / 7.7 x 3 x 9.8 inch

• Notes

• Transceiver with facilities for 12 channels plus 1 extra channel in the frequency range 135 MHz - 172 MHz.

  RF power out: switchable 25 W (high), less than 1 W (low)
  AF power out: 2 W, 10% distortion

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Author
• Model page created by Siegfried Droese. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Seiwa Corporation; Tokyo