The RSF-878.000-32000-3030-TR from Raltron is a Band Pass Filter with Frequency 862 to 894 MHz, Bandwidth 32000 kHz, Center Frequency 878 MHz, Insertion Loss 2.7 to 3.0 dB, Rejection 50 to 15 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-878.000-32000-3030-TR can be seen below.