Cheap And Discounts 10Pcs/Lot HC-49S Crystal Oscillator 4.864MHZ DIP-2 4.864M Passive Oscillator Quartz Resonator HC-49US 2Pin 49S Wholesale. Buy Directly From Merchant Electro Components Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.