The ACTR3007/304.30/QCC4A from Advanced Crystal Technology is a SAW Resonator with Frequency 304.225 to 304.375 MHz, Centre Frequency 304.3 MHz, Insertion Loss 1.5 to 2 dB, Capacitance 2.3 to 2.8 pF, Quality Factor Loaded 2050. Tags: Surface Mount, SAW Resonator. More details for ACTR3007/304.30/QCC4A can be seen below.