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February 17, 2022

Midland Radio's new MXT500 MicroMobile Two-Way Radio brings new power to the world of GMRS.

With its 50 watts of power, the MXT500 is the perfect radio for large pieces of land, like farms and ranches. 

This radio will bring clear, reliable, and efficient communication to your farm, sure to make planting and harvest season a little bit easier.


In order to install your MXT500, we've put together a guide for the install in John Deere combines.

The combine we used is the 9670 model. It's the last of the 9000 series of combines. These models and all new John Deere large frame tractors, sprayers, and forage harvesters have NMO Antenna Mounts pre-installed on the top of the cab.




  • MXT500 MicroMobile Two-Way Radio
  • Mount with hardware
  • Microphone
  • 12V Power Cord
  • Antenna with Mount
  • Owner's Manual
  • Quick Start Guide


  1. On top of the combine, you'll find the already existing NMO mount. Screw that cap off and replace it with the MXTA25 3db Ghost Antenna
  2. Take the power chords to plug into the standard connector near the floor of the combine cab
  3. Use the drill to screw in the mounting bracket. Make sure it is sturdy enough to support the radio unit
  4. Grab the radio unit and slide it into the mounting bracket
  5. Plug in the power chord that is connected to the standard connector to the radio unit
  6. Connect the existing coaxial cable into the antenna jack on the radio unit
  7. Install Midland's 21-406 Deluxe External Speaker in the Cab since the farm can get loud
  8. Plug in the speaker chord to the external speaker jack on the radio unit
  9. Use the adhesive on the microphone holder and press down firmly on the mounting area
  10. Place the microphone in the holder
  11. Plug in the microphone cable into the radio unit

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