The RSF-922.500-56000-3030-TR from Raltron is a Band Pass Filter with Frequency 894 to 950 MHz, Bandwidth 56000 kHz, Center Frequency 922 MHz, Insertion Loss 6.0 dB, Rejection 20 to 45 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-922.500-56000-3030-TR can be seen below.