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  Avionics - Antennas - Comant

COMANT VHF COMMUNICATION
(CI-121)

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.

Applications
Single engine piston aircraft for applications of this antenna design. Consult your FBO or installation shop for best application information.
MODEL- CI 121 VHF ANTENNA
Electrical
Frequency
118-137 MHz
VSWR
2.5:1 Maximum
Polarization
Vertical
Radiation Pattern
Omnidirectional
Impedance
50 Ohms
Power
50 Watts
Mechanical
Weight
0.5 lbs. Max.
Height
18.50 in. Max.
Material
Cast Housing / Fiberglass Whip
Finish
Polyurethane Enamel
Connector
BNC (Female)
Environmental
Temperature
-55ºC to +85ºC
Altitude
50,000 ft.
Airspeed
250 KTAS
Federal Specifications
RTCA Environmental
DO-160D
FAA TSO
C37d, C38d
Gasket
B12607-3
Cork Neoprene
Description Part No. Price Buy
COMANT CI-121 ANTENNA11-17921$149.95
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