The MA05649 from Golledge is a SAW Resonator with Frequency 417.925 to 418.075 MHz, Centre Frequency 418.01 MHz, Insertion Loss 0.9 to 2 dB, Voltage 12 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, SAW Resonator. More details for MA05649 can be seen below.