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Comant CI-121 VHF Comm Antenna BNC

Comant CI-121 VHF Comm Antenna BNC

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Part numbers : RX1-11-17921 , CI-121 , 11-17921
Unit of Measure: EA

250.49 EUR / EA 250.49 EUR 250.49 € excl. VAT

250.49 EUR / EA excl. VAT

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The Comant CI-121 is a VHF communication antenna for the 118–137 MHz aviation communications band. It features a tapered fibreglass whip with a cast metal housing, glossy white finish and a female BNC RF connector.

  • Manufacturer part number: CI-121
  • Frequency range: 118–137 MHz
  • Connector: BNC female
  • Impedance: 50 Ω
  • Maximum RF power: 50 W
  • Polarisation: vertical
  • Radiation pattern: omnidirectional
  • Maximum VSWR: 2.5:1
  • Maximum height: approximately 0.5 m
  • Gasket: B12607-3 cork-neoprene gasket included

The CI-121 is listed with FAA TSO-C37d/C38d, RTCA DO-160D environmental qualification and DO-186A MOPS references. Confirm installation configuration, applicable aircraft documentation and regulatory requirements before installation.

Manufacturer technical data sheet and installation drawing should be consulted for mounting and installation details.

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Overview

Frequencies Covered: 118-137 MHz

Similar to the CI 109, the CI 121 is smaller in diameter and lighter at only 0.5 pounds. Features a tapered glass laminate housing and die-cast aluminum base. Offers standard mounting and appearance to many Cessna communication antennas. The CI 121 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements and offers the 118 to 137 MHz frequency associated with DO-186A MOPS.

Note: Gasket included.


Specifications


Applications

  • Single engine piston aircraft for applications of this antenna design.
  • Consult your FBO or installation shop for best application information.



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