The TC0281A from Tai-Saw Technology is a SAW Resonator with Frequency 454.900 to 456.100 MHz, Centre Frequency 456 MHz, Insertion Loss 1.6 to 2.5 dB, Capacitance 1.23 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0281A can be seen below.