The RSF-460.000-20000-3838-TR-NS4 from Raltron is a Band Pass Filter with Frequency 450 to 470 MHz, Bandwidth 20000 kHz, Center Frequency 460 MHz, Insertion Loss 3.2 dB, Rejection 15 to 50 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-460.000-20000-3838-TR-NS4 can be seen below.