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57mm format. 8,33KHz/25KHz channel spacing. Dual-watch. EASA approved.

Available next 19/07/2024 61115

1.114,19 € + VAT (1.348,17 € VAT Inc.)


The new ATR833S replaces the well-known ATR500 radio. It complies with the new channel separation of 8.33 kHz.
The ATR833S is a completely new development with state-of-the-art digital signal processing. The extremely lightweight plastic housing reduces the weight to below 400 grams and makes it one of the lightest radios in its class.
The ATR833S has like the well-known ATR833 a built-in voice controlled intercom. New is the automatic recognition of the microphone type.
The simple and intuitive operation will appeal to pilots, who appreciate the essence of easy operation and makes it particularly interesting for clubs and aircraft owner communities. The bright two-line LCD display of the ATR500 was deliberately chosen, as it is easy to read with just a few additional icons providing all essential information.
For the radio, a large number of cable adapters are available, so that in most cases an easy replacement of the device is possible.


  • Standard 2 1/4" (57mm) format.
  • 6W output power.
  • Selectable 8,33 kHz/25kHz channel spacing.
  • 20 alfanumeric memories.
  • Built-in intercom with adjustable VOX up to 4 headsets.
  • "Dual-watch" technology allow monitoring of two frequencies.
  • High visibility LCD display.
  • Electret and dynamic microphones allowed.
  • Adjustable energy saver. 
  • External audio input.


In the box

  • ATR833S Radio.
  • DB25 connector for wiring.
  • Mounting hardware.
  • User manual.
  • EASA Form1 approval.



Installation and operation manual



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