Overview
| 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: Gasket included. Applications
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Specifications
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MODEL- CI 121 VHF ANTENNA
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Electrical
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Frequency
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118-137 MHz
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VSWR
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2.5:1 Maximum
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Polarization
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Vertical
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Radiation Pattern
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Omnidirectional
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Impedance
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50 Ohms
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Power
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50 Watts
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Mechanical
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Weight
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0.5 lbs. Max.
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Height
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18.50 in. Max.
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Material
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Cast Housing / Fiberglass Whip
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Finish
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Polyurethane Enamel
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Connector
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BNC (Female)
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Environmental
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Temperature
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-55ºC to +85ºC
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Altitude
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50,000 ft.
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Airspeed
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250 KTAS
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Federal Specifications
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RTCA Environmental
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DO-160D
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FAA TSO
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C37d, C38d
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Gasket
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B12607-3
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Cork Neoprene
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Documents
- Tech Data and Specs (PDF)
