• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Engineering Labs. (REL); Long Island City (NY)

• Year
• 1928

• Category
• Amateur TRX: Transmitter/Receiver (and Transceiver)

• Radiomuseum.org ID
• 218737

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• Transceiver

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Storage and/or dry batteries

• Material
• Metal case

• from Radiomuseum.org
• Model: REL Transmitter No. 135 - Radio Engineering Labs. REL;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• Radio Engineering Laboratories REL Catalog No. 135 Short Wave combined Receiver and Radio Telephone and Telegraph Transmitter Set uses two tubes for reception and two tubes for transmitting. Types of tubes used governs battery supply.

• Net weight (2.2 lb = 1 kg)
• 22 lb (22 lb 0 oz) / 9.988 kg

• Literature/Schematics (1)
• June 1928 QST magazine page 61

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 11 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Engineering Labs. (REL); Long Island City (NY)