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Comant CI-122 VHF Comm Antenna BNC

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Part numbers : RX1-11-17922 , CI-122 , 11-17922
Unit of Measure: EA

292.88 EUR / EA 292.88 EUR 292.88 € excl. VAT

292.88 EUR / EA excl. VAT

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The Comant CI-122 is a bent-whip VHF communication antenna for the 118–137 MHz band. Its configuration is designed for underside installation and provides an omnidirectional, vertically polarised radiation pattern for air-to-ground VHF communications.

The antenna features a female BNC connector, 50 ohm RF impedance and a maximum RF power rating of 50 W. Construction is specified as a cast housing with a stainless-steel whip and polyurethane-enamel finish.

  • Manufacturer part number: CI-122
  • Frequency range: 118–137 MHz
  • Connector: BNC female
  • Maximum VSWR: 3.0:1
  • Polarisation: vertical
  • Radiation pattern: omnidirectional
  • RF impedance: 50 ohm
  • Maximum RF power: 50 W

Use the applicable manufacturer installation drawing and approved aircraft maintenance data to confirm mounting arrangement, connector interface and regulatory suitability before installation.

View CI-122 technical data and installation drawing

Overview

Frequencies Covered

118-137 MHz

Designed specifically for mounting to the underside of an aircraft providing excellent radiation coverage for air-to-ground VHF communications. Bent configuration makes it ideally suited for helicopters and low wing aircraft.

The CI 122 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements and offers 118 to 137 MHz frequency associated with the DO-186A MOPS.

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

Applications

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

Specifications

MODEL- CI 122 VHF ANTENNA

Electrical

Frequency

118-137 MHz

VSWR

3.0:1 Maximum

Polarization

Vertical

Radiation Pattern

Omnidirectional

Impedance

50 Ohms

Power

50 Watts

Mechanical

Weight

0.75 lbs. Max.

Height

18.50 in. Max.

Material

Cast Housing / Stainless Whip

Finish

Polyurethane Enamel

Connector

BNC (Female)

Environmental

Temperature

-55ºC to +85ºC

Altitude

50,000 ft.

Airspeed

350 Knots TAS

Federal Specifications

RTCA Environmental

DO-160D

FAA TSO

C37d, C38d

Gasket

B12607-3

Cork Neoprene



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