Comant Comdat Antenna CI-2480-216

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Part# 11-05851
MFR Model# CI-2480-216


Frequency 2332.5 - 2345.0 MHz XM 118-137 MHz VHF

The CI 2480-216 is the first ComDat to provide VHF and XM Weather Data in a single, combined antenna. Patented design offers XM approved performance for popular WX system form Garmin and Avidyne.

Built-in 80 dB low pass filter protects both GPS and XM antennas against unwanted VHF interference.

Helicopter rated, this model has been tested the toughest RTCA DO-160D environmental conditions.

Note: Comant Antennas no longer come with a gasket or a template. Must order PN 09-05579 separately.

California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • Frequency: 118-137MHz
  • VSWR: 2.5:1 Maximum
  • Polarization: Vertical
  • Radiation Patter: Omnidirectional
  • Impedence: 50 Ohms
  • Power Rating 50 Watts
  • Gain - Active: 30-34 dB
  • DC Voltage: 4 to 24 VCD
  • DC Current: 25 mA (Minmum) / 55 mA (Maximum)
  • Noise Figure: 2.7 dB (Maximum
  • Out of Band Filter Attenuation: 25 dB Minimum
  • Aircraft Type: Single Engine Only
  • RTCA Environmental Testing: DO-160D
  • FAA TSO: C37d,C38d



Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the length dimension on the comdat series of vhf/gps antennas CI-2480-216?

Per supplier: Antenna length is 23 inches.

Q: Will this antenna work with portable XM receivers such as the Garmin GDL51?

We do not have any data supporting this antennas use with the GDL 51.

Q: Will this work with a GDL51?

We do not have any data supporting this antennas use with the GDL51.