• Country
• United States of America (USA)

• Manufacturer / Brand
• Philharmonic Radio Corp.; (where?)

• Year
• 1950 ??

• Category
• Military Transceiver (TRX)

• Radiomuseum.org ID
• 296354

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

• Number of Tubes
• 6

• Valves / Tubes
• 6050 6050 6397 6397 5678 6526

• Main principle
• Transceiver; 2 AF stage(s)

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

• Power type and voltage
• Dry Batteries / 1.5 & 100 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: RT-285/URC-11 [Tubes only] - Philharmonic Radio Corp.;

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

• Dimensions (WHD)
• 76 x 100 x 40 mm / 3 x 3.9 x 1.6 inch

• Notes

• This is a emergency rescue tranceiver operating on a fixed frequency of 243MHz. 

  The tranceiver requires connection to a separate battery unit that provides 1.5VDC and 100VDC.

  A later Hybrid version used two transistors to replace the 5678 tube in the first AF stage.

• Author
• Model page created by Jay Kinnard. See "Data change" for further contributors.

• Other Models

• Here you find 50 models, 36 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philharmonic Radio Corp.; (where?)