Number of Beams: 4 beams / 6 beams / 8 beams / 10 beams / 12 beams (corresponding to the model selection). Optional Style: 4 Beams BEM0440-C-120NB, 6 Beams BEM0640-C-200NB, 8 Beams BEM0840-C-280NB, 10 Beams BEM1040-C-360NB, 12 Beams BEM1240-C-440NB.
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