... For Keyboard:6.000MHz 12.000MHZ 4.000MHZ 6. For mouse and card reader:6.000MHz,12.000MHz,24.000MHz,27.042MHZ 26.590MHZ ... 49.860MHz,12.000MHz,24.000MHz, 10.000MHz,8.000MHz, 48.000MHz.16.9344MHZ. 5. For PMP and MP4: 27.000MHz,12.000MHz,24.576MHz. ... system/test instrument/ultrasonic:50.000MHz,3.579545MHz,48.000MHz,4.000MHz, 12.000MHz,50.000MHz, 10.000MHz8.000MHz.6.000MHz. 2. For security prevention ...