The TC0327A from Tai-Saw Technology is a SAW Resonator with Frequency 839.875 to 840.125 MHz, Centre Frequency 840 MHz, Insertion Loss 1.3 to 2 dB, Capacitance 2.46 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0327A can be seen below.