The RSF-1962.500-63800-1109-TR from Raltron is a Band Pass Filter with Frequency 1930.1 to 1993.9 MHz, Bandwidth 63.8 MHz, Center Frequency 1962 MHz, Insertion Loss 2.7 to 4.0 dB, Rejection 45 to 20 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-1962.500-63800-1109-TR can be seen below.