VC-TCXO-204C2-19.68MHZ VC-TCXO-204C2-19.68MHZ-B VC-TCXO-205C VC-TCXO-205CA-13.0MHZ VC-TCXO208C VC-TCXO-208C VC-TCXO-208C 19.68HMHZ VC-TCXO-208C 19.68MHZ VC-TCXO-208C(19.68EMHZ) VC-TCXO-208C(19.68MHz)