The RSF-869.000-7000-3030-TR from Raltron is a Band Pass Filter with Frequency 865.5 to 872.5 MHz, Bandwidth 7000 kHz, Center Frequency 869 MHz, Insertion Loss 3.5 dB, Rejection 30 to 40 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-869.000-7000-3030-TR can be seen below.