The RSF-930.500-59000-3030-TR-NS1 from Raltron is a Band Pass Filter with Frequency 901 to 960 MHz, Bandwidth 59000 kHz, Center Frequency 930.5 MHz, Insertion Loss 4.5 dB, Rejection 8 to 40 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-930.500-59000-3030-TR-NS1 can be seen below.