... series: (ZTA and ZTT ceramic crystals), ceramic filters (10.7MHZ, 21.4MHZ and 45MHZ) 6. Quartz Crystal ... ,28.224MHZ 3. For Hard drive:23.040MHz,28.224MHz 4. For Optical drive: 33.8688MHz,16.9344MHz, ... 3.579545MHz 2. For cordless phone: 10.250MHz,10.245MHz,10.240MHz,10.100MHz,13.824MHz,32.768KHz 3. For ... 48.000MHz,4.000MHz, 12.000MHz,50.000MHz, 10.000MHz8.000MHz.6.000MHz. 2. For security prevention ...