The ACTR4500/350.0/QCC8C from Advanced Crystal Technology is a SAW Resonator with Frequency 349.925 to 350.075 MHz, Centre Frequency 350 MHz, Insertion Loss 1.5 to 2.2 dB, Capacitance 2.4 to 3 pF, Quality Factor Loaded 1700. Tags: Surface Mount, SAW Resonator. More details for ACTR4500/350.0/QCC8C can be seen below.