HC49/251JF 4.00MHZ HC-49/27.000MHZ HC49/334BF 8.1920MHZ HC49/46.811428MHZ HC49/4H HC49/4H-20 HC-49/4HSMD HC49/4HSMX HC49/4HSMX30/50/10/30FU HC49/4HSMX30/50/20/1830MHZ