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CI 165 Marker Beacon
Frequency 75 MHz
(DAI Part# CI165)
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 165 is designed for flat surface mounting and is used on the Citation III.

SPECIFICATIONS
Electrical
Frequency 75 MHz
VSWR 1.5:1 maximum @ 75 MHz
5.0:1 maximum @ ± 15 MHz
Polarization Horizontal
Radiation Pattern 22 dB minimun
Impedance RF 50 OHMS
Resistance DC DC grounded
Power RF Receive only
Mechanical
Weight 1.0 lbs. maximum
Height Flush mount
Material Aluminum housing / Glass laminate cover
Finish Polyurethane enamel
Connector BNC (Two places)
Environmental
Temperature -55° C to +85° C
Altitude 45,000'
Air Speed 600 Knots TAS @ 55,000'
Federal Specifications
RTCA Environmental DO-160A
Environmental Category AASXXXXXXXXX
FAA TSO C35d
RTCA MOPS DO-138, DO-143
Connector
BNC Standard
Color
White Standard
Gasket
Gasket D16404
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