• Country
• Hungary

• Manufacturer / Brand
• Telefongyar, Terta (TRT, Export = Orion); Budapest

• Year
• 1929–1941

• Category
• Military Transceiver (TRX)

• Radiomuseum.org ID
• 171434

• • Brand: Terta, TRT

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

• Number of Tubes
• 4

• Valves / Tubes
• G407 KF4 KF4 KF4

• Conflicting model year with tube data.
• The model date contradicts tube dates. [ KF4 (1936)]

• Main principle
• Transceiver

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Dry Batteries / 4,5 & 120 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Transmitter & Receiver R-1 - Telefongyar, Terta TRT, Export

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• 4980-7250 kHz, AM mod.

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Price in first year of sale
• 370.00 Pengö

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 218 models, 203 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefongyar, Terta (TRT, Export = Orion); Budapest