The RF3355C from Murata is a Band Pass Filter with Frequency 389.5 to 390.5 MHz, Bandwidth 0.5 MHz, Center Frequency 390 MHz, Insertion Loss 2 to 4 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for RF3355C can be seen below.