The TC0320A from Tai-Saw Technology is a SAW Resonator with Frequency 671.371 to 671.451 MHz, Centre Frequency 672.411 MHz, Insertion Loss 1 to 2 dB, Capacitance 2.79 pF, Quality Factor Unloaded 9636. Tags: Surface Mount, SAW Resonator. More details for TC0320A can be seen below.