The ACTR3008/303.825/QCC4A from Advanced Crystal Technology is a SAW Resonator with Frequency 303.75 to 303.9 MHz, Centre Frequency 303.825 MHz, Insertion Loss 1.2 to 1.8 dB, Capacitance 2.25 to 2.85 pF, Quality Factor Loaded 1950. Tags: Surface Mount, SAW Resonator. More details for ACTR3008/303.825/QCC4A can be seen below.