The RSF-1176.450-20460-1109-TR from Raltron is a Band Pass Filter with Frequency 1166.22 to 1186.68 MHz, Bandwidth 20460 kHz, Center Frequency 1176.45 MHz, Insertion Loss 1.2 to 1.6 dB, Rejection 52 to 24 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-1176.450-20460-1109-TR can be seen below.