The TC0514B from Tai-Saw Technology is a SAW Resonator with Frequency 1089.9 to 1090.1 MHz, Centre Frequency 1090 MHz, Insertion Loss 1.8 to 2.5 dB, Capacitance 2.24 pF, Voltage 3 V. Tags: Surface Mount, SAW Resonator. More details for TC0514B can be seen below.