The TC0656A from Tai-Saw Technology is a SAW Resonator with Frequency 689.0799 to 689.1281 MHz, Centre Frequency 689.104 MHz, Insertion Loss 1.9 to 3 dB, Capacitance 1.53 pF, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, SAW Resonator. More details for TC0656A can be seen below.