VC-TCXO-208C3 26.000MHZ VC-TCXO-208C5 VC-TCXO-208C5 19.68EMHZ VC-TCXO-208C5-19.68EMHZ VC-TCXO-208C6 VC-TCXO-208C8 VC-TCXO-212C4 VC-TCXO-212C4 (19.68MHZ) VC-TCXO-212C4/19.68EMHZ VC-TCXO-214C5