E-generator
    Huge %e9%a3%8e%e5%85%89%e6%89%8b%e6%9c%ba%e9%80%89%e6%8b%a9%e5%9b%be
    Fiber Optic
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    Non-Optic
    Huge %e5%be%97%e7%a7%91%e4%b8%8d%e5%b8%a6%e5%85%89%e6%89%8b%e6%9c%ba%e9%80%89%e6%8b%a9%e5%9b%be

    Low-Speed
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