The SAFBC433MPB0X00 from Murata is a Band Pass Filter with Frequency 433.62 to 434.22 MHz, Bandwidth 0.3 MHz, Center Frequency 433.92 MHz, Insertion Loss 2.7 to 2.7 dB, Operating_Temperature -40 to 125 Degree C. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SAFBC433MPB0X00 can be seen below.