The ACTR550/433.92/QCC8C-1.2 from Advanced Crystal Technology is a SAW Resonator with Frequency 433.845 to 433.995 MHz, Centre Frequency 433.92 MHz, Insertion Loss 1.2 to 1.8 dB, Capacitance 2.3 to 2.9 pF, Quality Factor Loaded 1200. Tags: Surface Mount, SAW Resonator. More details for ACTR550/433.92/QCC8C-1.2 can be seen below.