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September 24, 2021

Harvest season is right around the corner and for some, it's already begun.

Two-way radios like Midland's MXT115 MicroMobile give farmers clear, reliable, and efficient communication.


In order to do so, we've put together a guide for installing the Midland MXT115AGVP3 Farm Tractor Bundle in a John Deere combine.

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



Here's a list of the tools you'll need to complete this installation of MXT115AGVP3 in a9670 John Deere combine.


When unboxing Midland's MXT115AGVP3, this is what you can expect to find.

  • MXT115 MicroMobile Two-Way GMRS Radio
  • MXTA23 bracket mount
  • MXTA24 6-meter antenna cable
  • MXTA25 3 db antenna


    1. Cut off the 12 Volt DC Charger because the 9670 John Deere combine doesn't have a 12 Volt plug in
    2. Begin the splicing of the wire and cap off the unused orange ground wire
    3. Use the electrical tape to connect the spliced wires. Black wire goes to black wire, red wire to red wire
    4. On top of the combine you will find the existing NMO Mount. Screw that cap off and replace it with the MXTA25 3db Ghost Antenna
    5. Use the drill to screw in the mounting bracket. Make sure it is sturdy enough to support the radio unit
    6. Slide in the radio unit
    7. Connect the existing coaxial cable into the antenna jack on the radio unit
    8. Plug in the power chord to the John Deere standard connector
    9. Connect the power chord to the radio unit
    10. Wipe clean the area in the cab you want to put the mic holder
    11. Use the adhesive on the microphone holder and press down firmly on the mounting area
    12. Place microphone in the holder
    13.  Screw in the 21-406 Deluxe External Speaker mount
    14. Fasten the 21-406 Deluxe External Speaker into the mount
    15. Grab speaker cable and plug into the external speaker jack on the radio unit

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