The RSF-947.500-25000-3030-TR from Raltron is a Band Pass Filter with Frequency 935 to 960 MHz, Bandwidth 25000 kHz, Center Frequency 947.5 MHz, Insertion Loss 3.5 dB, Rejection 17 to 40 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-947.500-25000-3030-TR can be seen below.