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GPS Source IRMS28 – 2×8 GPS Integrated Rack Mount Splitter

The IRMS28 dual input, 8 output GPS integrated rack mount splitter amplifies and splits the GPS/GNSS signal from two GPS receive antennas while granting up to 8 GPS/GNSS receivers signal access at any time.



The standard configuration of the IRMS28 GPS integrated rack mount splitter has dual +/-48V telecom power and a regulated DC output voltage, with multiple power options available. The output voltage passes through both antenna input ports and powers the active GPS antennas connected to that port. The DC blocked outputs feature a 200 Ohm DC resistive load to ground simulating an antenna DC current draw for any receiver connected to those ports.

Redundancy is built into the unit with dual antenna inputs. The IRMS28 has the ability to automatically switch antennas, allowing all connected devices to remain fully functional in the event of an antenna failure. An external rotary switch on the front panel allows the user to manually select the desired antenna inputs.

A GNSS receiver within the IRMS28 monitors the antenna signal strength. There is also internal monitoring of both antennas’ current draw. The IRMS28 will automatically choose the healthiest antenna. The device has been designed so that antenna selection can optionally be controlled externally via a rotary switch overriding the internal automatic switch mechanism.

The dual power supply option allows two internal power supply units to share the load. If one unit is not available, the other will seamlessly take over without any loss of power. Power supply LED fault indicator is clearly visible on the front panel, and can also transmitted using the contacts made available on the back panel.


  • 8 GPS/GNSS Output Ports
  • Dual Antenna Input Ports
  • +/-48VDC Redundant Power Supplies
  • Embedded Antenna Health Sensor
  • Automatic Internal Antenna Port Switch
  • External Antenna Port Selection Capability
  • Passes GPS L1/L2, GLONASS L1/L2, Galileo, Beidou
  • Antenna Fault Indicator Light
  • Power Fault Indicator Light
  • Embedded Receiver to Monitor Signal
  • Dual Power Option
  • Standard 19 Inch Rack Mount Configuration


  • Source Voltage Options
  • RF
  • Housings
  • DC Blocked


The IRMS28 2×8 GPS integrated rack mount splitter from GPS Source is available through TerrisGPS. If you would like more information about this product, please feel free to get in touch with us by completing the Request Pricing form.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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