The RSF-920.000-10000-3030-TR-NS1 from Raltron is a Band Pass Filter with Frequency 915 to 925 MHz, Bandwidth 10000 kHz, Center Frequency 920 MHz, Insertion Loss 2.5 to 3.5 dB, Rejection 55 to 29 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-920.000-10000-3030-TR-NS1 can be seen below.