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Comant CI-291 VHF COMMAntenna BNC

Comant CI-291 VHF COMMAntenna BNC

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Part numbers : RX1-11-17991 , CI-291 , 11-17991
Unit of Measure: EA

297.47 EUR / EA 297.47 EUR 297.47 € excl. VAT

297.47 EUR / EA excl. VAT

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Availability
Up to 5 EA ready to ship on Thursday 2026-08-20
Order before 16:00 CET on Tuesday 2026-08-18
14 EA available on request, fees apply
Special order from vendor stock.

The Comant Industries CI-291 is a VHF communications antenna designed for the 118–137 MHz aviation communications band. It features a high-strength fibreglass stick radiator with a die-cast aluminium three-hole mounting base and a BNC female RF connector.

The antenna provides vertical polarisation and an omnidirectional radiation pattern. Its compact form has a maximum height of approximately 48 cm and a weight of approximately 0.454 kg.

  • Manufacturer part number: CI-291
  • Frequency range: 118–137 MHz
  • Connector: BNC female
  • Impedance: 50 ohms
  • Maximum power: 50 W
  • Maximum VSWR: 2.5:1
  • Construction: cast housing with fibreglass whip
  • Maximum airspeed: 250 knots TAS
  • Environmental temperature range: -55 °C to +85 °C
  • Referenced standards: RTCA DO-160D and DO-186A; FAA TSO-C37d/C38d

Please verify installation configuration, mounting requirements and interface suitability against the applicable aircraft documentation before purchase or installation.

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