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The rugged and robust DCM-300 modem provides wireless 3G connectivity for Connected Farm™ solutions.  It enables reliable access to Trimble® CenterPoint™ VRS™ corrections, Trimble CenterPoint™ RTX™ corrections as well as other 3rd party network RTK solutions.


The modem can be used with Connected Farm for wireless data transfer between the office and field and vehicle to vehicle – allowing quicker access to data.  Compatible with most brands of equipment, the modem can also capture real-time fleet positions, public CAN messages, and fleet productivity information.  The DCM-300 is available with either EV-DO Rev A or a global ready HSDPA/UMTS network technology which support popular cellular networks such as Verizon and AT&T.


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Connection Requirements: 

*A wireless data plan for telematics connection service is included.  If using the modem for Office to Field Data Exchange, CenterPoint VRS or RTX, or a third party RTK corrections provider, a data plan must be purchased separately.  Verizon and AT&T data plans in the United States are available through Trimble.  Other data plans are also available by using third party providers.

Office to Field Data Exchange Requirements:
  • Trimble FmX integrated display or Trimble CFX-750 display
Trimble CenterPoint VRS Requirements:

Click here to download the DCM-300C (Verizon) modem factsheet.

Click here to download the DCM-300G (AT&T) modem factsheet.

Click here to download the DCM-300G (Global) modem factsheet.

      DCM-300G Wireless Interface: Tri-Band UMTS/HSDPA (WCDMA/FDD) 850/1900/2100 Mhz
Quad-Band GSM/GPRS/EDGE 850/900/1800/1900 MHz
      DCM-300C Wireless Interface: EV-DO REV A/EV-DO/CDMA 800/1900 MHz
  Size 230 mm x 136.3 mm x 40 mm (9.05 in x 5.37 in x 1.57 in)
  Casing Cast Aluminum
  Weight 1.09kg (2.40 pounds)
      Multi 34 Pin male positive locking
      GPS Antenna SMA Jack
      Cellular Antenna TNC Jack
      Wi-Fi Antenna RP TNC Jack
  Input Voltage 7.0-32.0 V DC
Environmental Specifications
Operating Temperature -40 °C to +70 °C (-40 °F to +158 °F)
Storage Temperature -40 °C to +85 °C (-40 °F to +185 °F)
Telematics GPS Positioning
  Channels 12 channel; L1 C/A Code, Continuous Tracking
  Maximum Update rate 1 Hz
  Horizontal Accuracy  
  Tracking Sensitivity –160 dBm
  Acquisition Sensitivity –146 dBm
  Time to Position (typical) Cold Start: 38 Seconds
Warm Start: 38 Seconds
After 15 Second Signal Blockage:
DCM-300G: FCC Class B Part 15, CE Mark; A-Tick mark; WEEE; RSS-210; Industry Canada; PTCRB; RoHS; SAE J1171; SAE J113-13; SAE J1455; e-Mark; IP67, IP66

DCM-300C: FCC Class B, Part 15; WEEE; RoHS; SAE; IP67, IP66
DCM-300 modem as a VRS solution is color blind and can work with 3rd party corrections: 
  • CORS (Continuously Operating Reference Station)*
  • State run RTK networks*
  • Other non-Trimble solutions*

* when CMR or CMR+ formats are output

DCM-300 modem is compatible with the following Trimble displays and receivers:
  • Trimble TMX-2050™ display
  • Trimble FmX® integrated display
  • Trimble CFX-750™ display
  • Trimble AgGPS® 262 receiver
  • Trimble AG-372 GNSS receiver



DCM-300 modem is supported in the following countries:
  • North America:
    • United States, Canada, Mexico, Puerto Rico

  • Latin America:
    • Argentina, Brazil, *Chile, Columbia, Panama

  • Africa:
    • *South Africa

  • Europe:
    • Austria, Belgium, Bulgaria, *Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lichtenstein, Lithuania, Luxembourg, *Malta, Mayotte, Netherlands, Norway, Poland, Portugal, Romania, Russia, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom, Ukraine, Serbia

  • Asia-Pacific:
    • New Zealand, Australia, Japan, China, Indonesia

* The included Trimble data plan for telematics does not support the local roaming carriers for these countries (Cyprus, Malta, Chile, and South Africa).  The DCM-300 modem will function in these countries; however, a local SIM card must be acquired to support the local roaming carriers.

Note: More countries/regions may be added on the list. Please contact Farm Works for the update.


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