The TC0539A from Tai-Saw Technology is a SAW Resonator with Frequency 1007.95 to 1008.05 MHz, Centre Frequency 1008 MHz, Insertion Loss 1.55 to 2.3 dB, Capacitance 2.35 pF, Voltage 3 V. Tags: Surface Mount, SAW Resonator. More details for TC0539A can be seen below.