DSX221S40.000MHZ DSX221SH DSX221SH 19.2MHZ DSX221SH 26.000MHZ DSX221SH12.000MHZ DSX221SH13.560MHZ DSX221SH16.000MHZ DSX221SH19.200MHZ DSX221SH19.2MHZ DSX221SH20.000MHZ