Broadband and rugged antenna designed for DME or transponder use. Antenna assembly encased in a glass reinforced polyester molded shell. Standard two stud mounting configuration.
Note: Comant Antennas no longer come with a gasket or template. Must order PN 09-00532 separately.
MODEL CI 105 DME / TRANSPONDER
960 to 1220 MHz
1.5:1 960 to 1220 MHz 1.3:1 1030 to 1090 MHz
Equivalent to 1/4 wave stub
2.5 KW Peak
0.24 lb. Maximum
3.23 in. Maximum
-54șC to +55șC
400 Knots TAS at 25,000 ft.
Will the Comant DME/Transponder CI-105 work with the Becker mode C transponder?
Yes the CI-105 is a standard transponder antenna and can be used for both mode C & S transponders.
Is the connector on the antenna a female BNC connector?
Yes, it is a female BNC. You will need to order a male BNC based on what type of coax cable you use (either RG 142 or RG 58).
What is the minimum recommended separation distance between the two aerials.
Typically 3 feet is a good distance between antennas.
Do you need a ground plate for this Comant CI-105 antenna? Which size?
Yes all antennas need a ground plate. Normally the height of the antenna should be the diameter of the ground plate but larger is better.
Will this antenna work with a Trig TT22, and do I need to make a ground plane or can I buy one? Is all the mounting hardware included?
Yes, this antenna is compatible with all aviation transponders. The ground plane can be as simple as foil tape part number 11-12900. Hardware not included, only gasket.
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