The RF1408D from Murata is a Band Pass Filter with Frequency 447.2 to 448.2 MHz, Bandwidth 0.5 MHz, Center Frequency 447.7 MHz, Insertion Loss 1.5 to 2 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for RF1408D can be seen below.