The ACTR314.5/314.50/TO39 from Advanced Crystal Technology is a SAW Resonator with Frequency 314.425 to 314.575 MHz, Centre Frequency 314.5 MHz, Insertion Loss 1.5 to 2 dB, Capacitance 2.2 to 2.8 pF, Quality Factor Loaded 2100. Tags: Drop In, SAW Resonator. More details for ACTR314.5/314.50/TO39 can be seen below.