The TC315GDB from Tai-Saw Technology is a SAW Resonator with Frequency 314.985 to 315.015 MHz, Centre Frequency 315 MHz, Insertion Loss 1.2 to 2 dB, Capacitance 4.66 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC315GDB can be seen below.