Antenna Connection

The following device types (3651, 3653, 3657, 3673, 3677) are equipped with external Cellular and GNSS antenna ports.

The Cellular and GNSS antenna (part number 157000121) has two separate connectors:

• Cellular (FAKRA-D, violet)
• GNSS (FAKRA-C, blue)

Cellular Antenna Connector

Connect the antenna's FAKRA-D plug (violet) to the device's FAKRA-D port (violet).

• Only use antennas with the maximum gain specified in the Technical Data.

GNSS Connector

Connect the antenna's FAKRA-C plug (blue) to the device's FAKRA-C port (blue).

• Only use active GNSS antennas with:

  • LNA
  • Gain max. 25 dBi
  • Voltage 3.3 VDC
  • Current max. 40 mA

Installation Notes

• Mount the GNSS antenna so that it is level with the horizon and has a clear view of the sky.
• Do not extend antenna cables.
• Ensure the minimum bending radius of the antenna cable is at least 8 times the outer diameter.
• Use only antennas supplied as Proemion accessories.