The ACTR4110/303.875/QCC8C from Advanced Crystal Technology is a SAW Resonator with Frequency 303.8 to 303.95 MHz, Centre Frequency 303.875 MHz, Insertion Loss 1.4 to 2 dB, Capacitance 2.4 to 2.9 pF, Quality Factor Loaded 1950. Tags: Surface Mount, SAW Resonator. More details for ACTR4110/303.875/QCC8C can be seen below.