The MP04725 from Golledge is a SAW Resonator with Frequency 1.039950 to 1.040050 GHz, Centre Frequency 1040 MHz, Insertion Loss 1.6 to 2 dB, Voltage 3 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, SAW Resonator. More details for MP04725 can be seen below.