The RF1432C from Murata is a Band Pass Filter with Frequency 319 to 320 MHz, Bandwidth 0.5 MHz, Center Frequency 319.5 MHz, Insertion Loss 1.8 to 2.8 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for RF1432C can be seen below.