The ACTQ550/433.92/QCC8C from Advanced Crystal Technology is a SAW Resonator with Frequency 433.845 to 433.995 MHz, Centre Frequency 433.92 MHz, Insertion Loss 6 to 8 dB, Capacitance 1.1 to 1.6 pF, Quality Factor Loaded 7500. Tags: Surface Mount, SAW Resonator. More details for ACTQ550/433.92/QCC8C can be seen below.