The RSF-428.000-16000-3030-TR from Raltron is a Band Pass Filter with Frequency 420 to 436 MHz, Bandwidth 16000 kHz, Center Frequency 428 MHz, Insertion Loss 2.6 dB, Rejection 45 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-428.000-16000-3030-TR can be seen below.