Cheap And Discounts 5PCS 12.800M 12.8M 12.8MHZ 12.800NHZ Half size 3.3v 5v CRYSTAL CLOCK OSCILLATOR OSC DIP-4 12.800 Wholesale. Buy Directly From Merchant FANCOO official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.