SCO-020(60.000000MHZ) SCO-020-40.000MHZ SCO-020-50.000MHZ SCO-02055.000000MHZ SCO-020C 4.96000MHZ SCO-060 1.2288M SCO-060 10.000M SCO-060 12.352M SCO-060 15.360MHZ SCO-060 16.000M