GTR 20 Com Radio for G3X Touch

GTR 20 Com Radio for G3X Touch

Part No:

Manufacturer: GARMIN

Powerful Features in a Remote-mounted Package

  • Remote-mount 10 W Comm radio that integrates with G3X Touch™ flight display for on-screen control
  • All-in-one radio and audio panel with advanced audio features, including 3D Audio, 2-place stereo intercom and stereo music input
  • Advanced auto squelch automatically senses the noise level in the cockpit for effortless intercom use
  • Standby frequency monitoring gives you the ability to listen to ATIS while monitoring ATC
  • G3X Touch displays Comm frequency facility name and type for active and standby frequencies  

The GTR 20 Comm radio offers pilots an ideal solution for a clear, powerful communication radio and intercom, all controlled from a G3X Touch display.

More Than Just a Comm

Designed specifically for G3X Touch equipped aircraft, GTR 20 combines powerful Comm capabilities with advanced workload-reducing features formerly found only in high-end radios. Its remote design allows you to make the most of limited space in your panel while its 10 W transmit power helps ensure solid communications between you and ATC or other aircraft in your vicinity. GTR 20 offers 25 kHz channel spacing and uses a standard density 37-pin connector for easy installation.

Full-featured Audio

Going above and beyond the call of duty of a traditional Comm, GTR 20 includes a 2-place stereo intercom that is ideal for 2-seat aircraft; no additional hardware is required to communicate with your passenger. Advanced auto squelch automatically senses the noise level in the cockpit and adjusts the mic squelch for effortless intercom use regardless of the cockpit noise level. 3D Audio capability separates the active and standby frequencies in your headset so it’s easier to differentiate between sources.

Touchscreen Control

The G3X Touch interface allows access to emergency frequency tuning, pilot audio isolation, saved frequencies list, music mute or push-to-talk, while FastFind suggests airports using your current GPS location, so you can quickly look up and tune frequencies. Plus, optional installed remote switches on the flight controls allow pilots to keep their hands on the controls while performing functions such as swapping the active and standby frequencies.

Crystal-clear Standby Monitoring

With its standby frequency monitoring feature, the GTR 20 Comm radio gives you the ability to listen to ATIS while monitoring ATC. Swapping your active and standby frequencies is completed through the G3X Touch display or optionally installed switches on the controls. Even in single-radio aircraft, you’ll no longer have to worry about missing an ATC call or other critical transmission.

Frequency Identification

Know exactly to whom you’re talking with GTR 20. The G3X Touch display will display the facility name and type when you are tuning frequencies manually using the dedicated G3X Touch display knobs or using touchscreen features such as FastFind.

  • All-in-one radio and audio panel with advanced audio features, including 3D Audio, 2-place stereo intercom and stereo music input
  • Advanced auto squelch automatically senses the noise level in the cockpit for effortless intercom use
  • Standby frequency monitoring gives you the ability to listen to ATIS while monitoring ATC
  • G3X Touch displays Comm frequency facility name and type for active and standby frequencies  
  • 25 kHz channel spacing
  • Density 37-pin connector 
COM Transmitter Specifications
  • Microphone input: Two inputs, standard carbon or dynamic mic with integrated preamp. The GTR 200 provides a 150 Ω AC input impedance and supplies the microphone with an 11 V bias through 470 Ω +/- 5 percent
  • Modulation capability: 85 percent with 250 to 2500 mVRMS microphone input at 1000 Hz
  • Modulation: AM double sided emission designator, 6K00A3E (118-136.975 MHz)
  • Frequency range: 118.000 to 136.975 MHz, 25 kHz channel spacing
  • Frequency tolerance: +/-5 ppm from -20°C to +55°C
  • Output power: 10 W carrier minimum
  • Duty cycle: 20 percent
  • Carrier noise level: At least 35 dB (SNR)
  • Stuck mic time-out: 35 seconds time-out, reverts to receive
  • Demodulated audio distortion: Less than 25 percent distortion when the transmitter is at 85 percent modulation at 350 to 2500 Hz
COM Receiver Specifications
  • Frequency range: 118.000 to 136.975 MHz, 25 kHz channel spacing
  • Headset audio output: 60 mW minimum into a 150 Ω load
  • Audio response: Less than 6 dB of variation between 350 and 2500 Hz
  • Audio distortion: Less than 25 percent at rated output power
  • Sensitivity: SINAD greater than 6 dB when the RF level is -107 dBm with 30 percent modulation
  • Squelch: Automatic squelch with manual override

See below for answers to our most popular questions.

Have a Question?

  • I currently fly with a GTR 200B. I love the bluetooth capability. I'm thinking of upgrading my entire panel and cleaning up the panel by going with a GTR 20 which I see has a "stereo music input." If I have an audio jack on the panel and plug my phone in and play music, will the GTR 20 lower the music volume when there is talking on the radio or intercom just like my trusty old GRT 200B? Thanks Ken

    You are able to configure the Com to mute the music when receiving radio calls or intercom. The configurations are listed in the pilot's guides.

  • I currently have a GTR-200B. Is there an equivalent remote mount radio with blue tooth? Thanks

    Unfortunately, there is no option for Bluetooth on the remote units at this time.

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