The RSF-140.000-20400-65133-TR from Raltron is a Band Pass Filter with Frequency 129.8 to 150.2 MHz, Bandwidth 20.4 MHz, Center Frequency 140 MHz, Insertion Loss 11 dB, Rejection 35 to 40 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-140.000-20400-65133-TR can be seen below.