NX1255GB-16.000000MHZ NX1255GB-16.000000MHZ-STD-CSA-1 NX1255GB16.000MHZ NX1255GB-1-6.144MHZ NX1255GB16.384000MHZ NX1255GB16.93440MHZ NX1255GB-16MHZ NX1255GB18.432000MHZ NX1255GB-18.432000MHZ NX1255GB-19.200M-STD-CSA-1