The TC0166A from Tai-Saw Technology is a SAW Resonator with Frequency 314.85 to 315.15 MHz, Centre Frequency 315 MHz, Insertion Loss 1 to 2 dB, Capacitance 4.8 pF, Quality Factor Unloaded 12000. Tags: Drop In, SAW Resonator. More details for TC0166A can be seen below.