The ACTQ315/315.0/TO39 from Advanced Crystal Technology is a SAW Resonator with Frequency 314.925 to 315.075 MHz, Centre Frequency 315 MHz, Insertion Loss 5 to 7 dB, Capacitance 2.25 to 2.85 pF, Quality Factor Loaded 6800. Tags: Drop In, SAW Resonator. More details for ACTQ315/315.0/TO39 can be seen below.