• Country
• Czechoslovakia

• Manufacturer / Brand
• Tesla; Praha, Bratislava etc.

• Year
• 1980 ??

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

• Radiomuseum.org ID
• 202662

• • Brand: Supraphon

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Transceiver; ZF/IF 10700 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 13,5 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Sende-Empfänger VR 20/50 - Tesla; Praha, Bratislava etc.

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 240 x 60 x 285 mm / 9.4 x 2.4 x 11.2 inch

• Notes
• Sende-Empfänger, Bereich 163...164 MHz, Sendeleistung max 50 Watt.
  Einsatz bei Polizei und Grenztruppen der Tschechoslowakei.
  Mikrofon: QRN 51621, dient bei Empfang als Lautsprecher.

• Net weight (2.2 lb = 1 kg)
• 6.2 kg / 13 lb 10.5 oz (13.656 lb)

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 1838 models, 1157 with images and 668 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.