The RSF-1588.000-56000-3030-TR from Raltron is a Band Pass Filter with Frequency 1560 to 1616 MHz, Bandwidth 56 MHz, Center Frequency 1588 MHz, Insertion Loss 3.5 dB, Upper Rejection 8 to 33 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-1588.000-56000-3030-TR can be seen below.