The RSF-2593.000-200000-1109-TR from Raltron is a Band Pass Filter with Frequency 2493 to 2693 MHz, Bandwidth 200 MHz, Center Frequency 2593 MHz, Insertion Loss 2 to 3.2 dB, Rejection 45 to 8 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-2593.000-200000-1109-TR can be seen below.