The RSF-2132.500-45000-3030-TR from Raltron is a Band Pass Filter with Frequency 2110 to 2155 MHz, Bandwidth 45000 kHz, Center Frequency 2132.5 MHz, Insertion Loss 3.7 dB, Rejection 20 to 25 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-2132.500-45000-3030-TR can be seen below.