The ACTR915/915.0/TO39 from Advanced Crystal Technology is a SAW Resonator with Frequency 914.85 to 915.15 MHz, Centre Frequency 915 MHz, Insertion Loss 1.6 to 2.2 dB, Capacitance 1.7 to 2.3 pF, Quality Factor Loaded 1500. Tags: Drop In, SAW Resonator. More details for ACTR915/915.0/TO39 can be seen below.