The ACTR316.8/316.65/TO39 from Advanced Crystal Technology is a SAW Resonator with Frequency 316.575 to 316.725 MHz, Centre Frequency 316.65 MHz, Insertion Loss 1.3 to 1.8 dB, Capacitance 2.3 to 2.9 pF, Quality Factor Loaded 1950. Tags: Drop In, SAW Resonator. More details for ACTR316.8/316.65/TO39 can be seen below.