The TC0274E from Tai-Saw Technology is a SAW Resonator with Frequency 314.9 to 315 MHz, Centre Frequency 314.95 MHz, Insertion Loss 1.5 to 2.5 dB, Capacitance 4.14 pF, Quality Factor Unloaded 8000. Tags: Surface Mount, SAW Resonator. More details for TC0274E can be seen below.