The TC0224A from Tai-Saw Technology is a SAW Resonator with Frequency 669.527 to 669.587 MHz, Centre Frequency 669.557 MHz, Insertion Loss 1.3 to 2 dB, Capacitance 2.92 pD, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0224A can be seen below.