The RSF-915.000-2000-3030-TR from Raltron is a Band Pass Filter with Frequency 914 to 916 MHz, Bandwidth 2 MHz, Center Frequency 915 MHz, Insertion Loss 3.3 to 4.2 dB, Rejection 45 to 30 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-915.000-2000-3030-TR can be seen below.