The TC0315B from Tai-Saw Technology is a SAW Resonator with Frequency 907.150 to 907.250 MHz, Centre Frequency 907.2 MHz, Insertion Loss 1.4 to 2.3 dB, Capacitance 2.12 pF, Quality Factor Unloaded 8870. Tags: Surface Mount, SAW Resonator. More details for TC0315B can be seen below.