HC49/S3-9.216 HC-49/S-4.000000MHZ HC-49/S4.0000MHZ HC-49/S-4H-24MHz HC-49/S-4H-25MHz HC-49/S5H HC-49/S-6.144MHZ HC-49/S60.3MHZ18PF HC-49/SD46.811428MHZ HC-49/SM(10MHZ30PPM)