The MA05390 from Golledge is a SAW Resonator with Frequency 772.295 to 772.545 MHz, Centre Frequency 772.43 MHz, Insertion Loss 1 to 2 dB, Voltage 12 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, SAW Resonator. More details for MA05390 can be seen below.