The ASR915E from Abracon LLC is a SAW Resonator with Frequency 914.85 to 915.15 MHz, Centre Frequency 915 MHz, Insertion Loss 1.5 to 2.5 dB, Capacitance 1.6 pF, Quality Factor Loaded 1300. Tags: Surface Mount, SAW Resonator. More details for ASR915E can be seen below.