The SR5502 from Vanlong is a SAW Resonator with Frequency 403.966 MHz, Centre Frequency 403.966 MHz, Insertion Loss 1.3 to 1.8 dB, Capacitance 2.4 to 2.9 pF, Voltage 30 V. Tags: Surface Mount, SAW Resonator. More details for SR5502 can be seen below.