The TC0144A from Tai-Saw Technology is a SAW Resonator with Frequency 868.15 to 868.55 MHz, Centre Frequency 868.35 MHz, Insertion Loss 1.3 to 2.5 dB, Capacitance 2.51 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0144A can be seen below.