The TC0268A from Tai-Saw Technology is a SAW Resonator with Frequency 309.925 to 310.075 MHz, Centre Frequency 310 MHz, Insertion Loss 1.7 to 2.5 dB, Capacitance 4.85 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0268A can be seen below.