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OptiBeam OB1-4030 Rotary Dipole 40-30m
The OptiBeam OB1-4030 is a powerful rotary dipole for the 40 and 30 meter bands, which impresses with its robust construction and easy installation. With a maximum element length of 14.7 meters and a rotation radius of 7.35 meters, it offers an excellent combination of stability and efficiency. The OB1-4030 delivers typical dipole gain on both bands and achieves up to 8.1 dBi gain at a height of 20 meters due to ground reflection. Thanks to its precise design and good SWR values (1.4:1 to 2.0:1 on 40 m, 1.2:1 on 30 m), it ensures optimal power transfer. With a weight of only 14 kg, a wind load of 363 N, and a load capacity of up to 5000 W, the OB1-4030 is the ideal choice.
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