HC49/S16.000HZ HC-49/S-16.9344MHZ HC-49/S-20MHZ HC-49/S-29.498928MHZ HC-49/S3 HC-49/S3 4.194304MHZ HC-49/S3 8MHz HC-49/S3 9.8304MHZ HC-49/S3.6864MHZ HC-49/S312.288MHZ