The RSF-868.350-1600-3030-TR from Raltron is a Band Pass Filter with Frequency 867.55 to 869.15 MHz, Bandwidth 1.6 MHz, Center Frequency 868.350 MHz, Insertion Loss 4.0 to 5.0 dB, Rejection 55 to 15 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-868.350-1600-3030-TR can be seen below.