The RSF-860.000-12000-2015-TR from Raltron is a Band Pass Filter with Frequency 854 to 866 MHz, Bandwidth 12000 kHz, Center Frequency 860 MHz, Insertion Loss 1.3 to 3 dB, Rejection 50 to 10 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-860.000-12000-2015-TR can be seen below.