Yaesu ATAS-120A 40 Meter Through 70cm Auto Tune Motorized HF/VHF/UHF Antenna for Ft-857d FT-450DandFT-897D ATAS-120

Tune signal from radio auto adjusts the antenna length. Fully automatic w/ above listed models. Requires an Optional SO-239 thread mobile mount coaxial cable. not included 2 Piece design Motorised Lower coil section topped with stainless steel whip. Max length approx. 5 ft. For 40M – 70cm Ham Radio use. For Listed Yaesu models ONLY.