Part #: CI-164

Model: CI164

Comant - Marker Beacon Antenna
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Part Number :

Marker Beacon (CI-164)

Frequency · 75 MHz

Lightweight flush mount antenna was originally designed for use on military aircraft. Provides for dual marker beacon signal outputs at the antenna, eliminating the need for a separate marker beacon splitter. Antenna is housed in an aluminum enclosure with a glass laminate cover. Internal components are potted in place for mechanical integrity. The CI-164 is designed for curved "crown" surface mounting as is currently used on the Cessna™ Citation I and II. Electrical :

Frequency 75 MHz
VSWR 1.5:1 Maximum @ 75 MHz 5.0:1 Maximum @ ±.15 MHz
Polarization Horizontal
Isolation Beteen Ports 22 dB Minimum
Impedance RF 50 Ohms
Resistance DC DC Grounded
Power RF Receive Only

Mechanical :

Weight 1.0 lb. Maximum
Height Flush Mount
Material Aluminum Housing / Glass Laminate Cover
Finish White Polyurethane Enamel
Connector BNC (Two places)
Gasket D16404

Environmental :

Temperature -55°C to +85°C
Altitude 45,000 ft.
Air Speed 600 Knots TAS @ 55,000 ft.

Federal Specifications :

RTCA Environmental DO-160A
Environmental Category AASXXXXXXXXX
RTCA MOPS DO-138, DO-143
Part NumberDescription:
CI-164 Marker Beacon Flush Mount Antenna used on the Cessna™ Ciation I and II


- Marker Beacon Antenna
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