The RF3446E from Murata is a Band Pass Filter with Frequency 432.96 to 434.88 MHz, Bandwidth 0.96 MHz, Center Frequency 433.92 MHz, Insertion Loss 2 to 3 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for RF3446E can be seen below.