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¼Û½Å Ãâ·Â: 40W ÁöÇ⼺(70µµ), Àü¹æÇâ(210µµ) transducer Near-vertical or horizontal environments »ç¿ë Á֯ļö: 7.5 ~ 12.5kHz Åë½Å°Å¸®: ÃÖ´ë 7,000m(omni-directional) / 10,000m(directional) ÃÖ´ë¼ö½É: ÃÖ´ë 7,000m Åë½Å¼Óµµ: 2,500 ~ 5,000bps