The CI 139 is a Piper compatible mounting version of the CI-119 antenna with respect to the mounting hole pattern and RF connector location. The CI-139 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.
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规格：
Weight:
1.25 lb
Height:
12.90 in
Frequency:
118-137 MHz
VSWR:
2.9:1 maximum
Polarization:
Vertical
Radiation pattern:
Omnidirectional
Impedance (RF):
50 ohms
Power (RF):
25 watts
Temperature:
-55ºC to +85ºC
Altitude:
50,000 ft
Certifications:
FAA TSO C37d, C38d
特征：
118-137 MHz frequencies
Vertical polarization
Omnidirectional radiation pattern
Valox 420 housing
Polyurethane enamel finish
BNC connector
