The RSF-942.500-35000-3030-TR-NS3 from Raltron is a Band Pass Filter with Frequency 0.925 to 0.960 GHz, Bandwidth 35 MHz, Center Frequency 942.5 MHz, Insertion Loss 4.5 dB, Rejection 10 to 50 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-942.500-35000-3030-TR-NS3 can be seen below.