The RSF-1197.420-62400-1511-TR from Raltron is a Band Pass Filter with Frequency 1166.22 to 1228.62 MHz, Bandwidth 62400 kHz, Center Frequency 1197.420 MHz, Insertion Loss 1.2 to 1.8 dB, Rejection 40 to 24 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-1197.420-62400-1511-TR can be seen below.