The TC315GD-A from Tai-Saw Technology is a SAW Resonator with Frequency 314.925 to 315.075 MHz, Centre Frequency 315 MHz, Insertion Loss 1.6 to 2.5 dB, Capacitance 3.65 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC315GD-A can be seen below.