The RSF-868.950-600-3030-TR from Raltron is a Band Pass Filter with Frequency 868.65 to 869.25 MHz, Bandwidth 600 kHz, Center Frequency 868.950 MHz, Insertion Loss 2.8 to 3.2 dB, Rejection 55 to 15 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-868.950-600-3030-TR can be seen below.