The RSF-169.200-128-7050-TR-49 from Raltron is a Band Pass Filter with Frequency 169.136 to 169.264 MHz, Bandwidth 128 kHz, Center Frequency 169.2 MHz, Insertion Loss 2.6 to 3.6 dB, Rejection 54 to 45 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-169.200-128-7050-TR-49 can be seen below.