The TC0173A from Tai-Saw Technology is a SAW Resonator with Frequency 314.1 to 314.3 MHz, Centre Frequency 314.2 MHz, Insertion Loss 0.9 to 2 dB, Capacitance 5.62 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0173A can be seen below.