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CI 177-4 Data Link
Frequency 137-150 MHz
(DAI Part# CI177-4)
The CI 177-4 is specifically designed for use with Weather/Data or WX systems, bringing e-mail and weather data to the cockpit. The CI 177-4 links to the ORBCOMM LEO satellite constellation to bring real time weather and e-mail within easy reach of any pilot. This was built for pure electrical performance. Its 1.5:1 VSWR provides the best reception of any airborne antenna of its kind.

SPECIFICATIONS
Electrical
Frequency 137 to 150 MHz
VSWR 1.5:1 maximum
Polarization Vertical
Radiation Pattern Omnidirectional
Impedance RF 50 OHMS
Power RF 50 Watts
Mechanical
Weight 0.4 lbs. maximum
Height 16.25" maximum
Material Valox housing / fiberglass whip
Finish Polyurethane enamel
Connector BNC
Environmental
Temperature -55° C to +85° C
Altitude 55,000'
Air Speed 250 Knots TAS @ 25,000'
Federal Specifications
RTCA Environmental DO-160D
Environmental Category [D2]-ACB[(C,C1,R)(F,F1,U)]
XRFDXSX[X]XXX[XXX]X[XXXX]XCA
FAA TSO C37d, C38d
RTCA MOPS DO-186A
Connector
BNC Standard
Color
White Standard
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