The TC0537A from Tai-Saw Technology is a SAW Resonator with Frequency 834.59 to 834.69 MHz, Centre Frequency 834.64 MHz, Insertion Loss 1.37 to 2 dB, Capacitance 2.80 pF, Voltage 3 V. Tags: Surface Mount, SAW Resonator. More details for TC0537A can be seen below.