The ACTR3002/315.50/QCC4A from Advanced Crystal Technology is a SAW Resonator with Frequency 315.425 to 315.575 MHz, Centre Frequency 315.5 MHz, Insertion Loss 1.5 to 2 dB, Capacitance 2.55 to 3.15 pF, Quality Factor Loaded 1600. Tags: Surface Mount, SAW Resonator. More details for ACTR3002/315.50/QCC4A can be seen below.