Boom length:1.25m / Element length:1.02m (Max)
Weight:0.95kgs
Frequency:144/430MHz (2m/70cm)
Gain:7.5dBi (144MHz), 9.3dBi (430MHz)
Max. power rating:100W (FM) / Impedance:50Ω / SWR:Less than 1.5
Connector:MJ / Rated wind velocity:35m/sec.
Mast diameter Accepted:φ25-φ62 / Wind surface area:0.17㎡
Type:3-elements beam antenna (144MHz) / 5-elements beam antenna (430MHz)
FB ration:More than 11.5dB (144MHz), More than 8.0dB (430MHz)
Turing radius:Approx. 1.2m
http://www.diamond-ant.co.jp/english/amateur/antenna/ante_2base/ante_base1.html
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