We can supply high quality crystal resonators. Specifications: 1) Frequency range (MHz): 13.01 - 60.00 2) Frequency accuracy (25oC) (%): +/-0.5 3) Stability in temperature (-20 ~ +80oC) (%): +/-0.3 4) Aging for 10 years (%): +/-0.3 5) Dimensions: 3.7 x 3.1 x 1.0