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No. 411 shortwave self-telescopic antenna

No.411 shortwave self-telescopic antenna adopts motor drive and quick telescopic mode and realizes matching by spread spectrum modulator in 3-5MHz operating frequency,and realizes matching by changing the antenna height with self-telescopic device in 5-30MHz operating frequency.It is featured with good wind resistance,convenient and flexible operation.

Main components
Steel wire
Fiberglass reinforced plastics
Drive mechanism
Motor
Base
Control apparatus
Spread spectrum modulator
Technical features:
Realizing broadband matching by changing antenna height with automatic retractable device;
Fast tuning,high radiation efficiency;
Concealed,not damaged easily,small electromagnetic interference;
External dimensions and weight:
Antenna size:Antenna mast 15000mm×120mm(height×diameter)
Weight:Antenna mast 26kg
Drive box:100kg
Environmental adaptation:
Working temperature:-45℃-+70℃;
Storage temperature:-45℃-+70℃;
Relative humidity:95%.
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