The TC0181A from Tai-Saw Technology is a SAW Resonator with Frequency 314.32 to 314.42 MHz, Centre Frequency 314.37 MHz, Insertion Loss 1.6 to 2.5 dB, Capacitance 4.8 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0181A can be seen below.