The ACTR5103/403.966/QCC8C from Advanced Crystal Technology is a SAW Resonator with Frequency 403.891 to 404.041 MHz, Centre Frequency 403.966 MHz, Insertion Loss 1.5 to 2.2 dB, Capacitance 2.35 to 2.95 pF, Quality Factor Loaded 1300. Tags: Surface Mount, SAW Resonator. More details for ACTR5103/403.966/QCC8C can be seen below.