The RSF-875.000-40000-3030-TR from Raltron is a Band Pass Filter with Frequency 855 to 895 MHz, Bandwidth 40000 kHz, Center Frequency 875 MHz, Insertion Loss 3.2 dB, Rejection 30 to 40 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-875.000-40000-3030-TR can be seen below.