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: Comant Antennas no longer come with a gasket or template. Must order PN 09-00532 separately.
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
This product was added to our catalog on Wednesday 10 June, 2009.
