The TC0657A from Tai-Saw Technology is a SAW Resonator with Frequency 409.6 to 409.682 MHz, Centre Frequency 409.641 MHz, Insertion Loss 1.7 to 2 dB, Capacitance 2.7 pF, Voltage 5 V. Tags: Surface Mount, SAW Resonator. More details for TC0657A can be seen below.