The TC0137A from Tai-Saw Technology is a SAW Resonator with Frequency 622.005 to 622.155 MHz, Centre Frequency 622.08 MHz, Insertion Loss 1.1 to 2.5 dB, Capacitance 2.89 pF, Quality Factor Unloaded 10275. Tags: Surface Mount, SAW Resonator. More details for TC0137A can be seen below.