Comant CI-291

Overview

Features high strength fiberglass “stick” radiator and die-cast 3-hole mount aluminum base. Virtually identical in appearance to many Cessna communication antennas.

The CI 291 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 186 MOPS.

Electrical Specifications

• Frequency: 118-137 MHz
• VSWR: 2.5:1
• Polarization: Vertical
• Radiation Pattern: Omnidirectional
• Impedance: 50 Ohms
• Power: 50 Watts

Mechanical Specifications

• Weight: 0.5 lbs
• Height: 18 7/8 inches Max.
• Material: Cast Housing / Fiberglass whip
• Finish: Polyurethane Enamel
• Connector: BNC (Female)
• Gasket: C29205 - Cork Neoprene

Environmental/Federal Specifications

• Temperature: -55 to +85 C
• Altitude: 50,000 ft.
• FAA TSO: C37d, C38d
• Environmental RTCA: DO-160D