• Country
• Czechoslovakia

• Manufacturer / Brand
• Mars, Prag

• Year
• 1970 ??

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 139020

• Number of Transistors
• 5

• Semiconductors
• GC509 GC509 GC518 KF507 KF507

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TX standard - Mars, Prag

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

• Dimensions (WHD)
• 140 x 180 x 45 mm / 5.5 x 7.1 x 1.8 inch

• Notes
• Fernsteuersender mit Quartz; 27,126 MHz.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

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

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mars, Prag