The ACTR510/403.55/QCC8C from Advanced Crystal Technology is a SAW Resonator with Frequency 403.475 to 403.625 MHz, Centre Frequency 403.55 MHz, Insertion Loss 1.3 to 1.8 dB, Capacitance 2.45 to 3.05 pF, Quality Factor Loaded 1150. Tags: Surface Mount, SAW Resonator. More details for ACTR510/403.55/QCC8C can be seen below.