The ACTR4445/345.0/QCC8C from Advanced Crystal Technology is a SAW Resonator with Frequency 344.925 to 345.075 MHz, Centre Frequency 345 MHz, Insertion Loss 1.5 to 2 dB, Capacitance 2.3 to 2.9 pF, Quality Factor Loaded 1750. Tags: Surface Mount, SAW Resonator. More details for ACTR4445/345.0/QCC8C can be seen below.