The TC0182B from Tai-Saw Technology is a SAW Resonator with Frequency 314.9 to 315.1 MHz, Centre Frequency 315 MHz, Insertion Loss 1.6 to 2.5 dB, Capacitance 4.76 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0182B can be seen below.