The RSF-2140.000-60000-1109-TR-NS5 from Raltron is a Band Pass Filter with Frequency 2110 to 2170 MHz, Bandwidth 60000 kHz, Center Frequency 2140 MHz, Insertion Loss 1.6 to 1.9 dB, Rejection 45 to 25 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-2140.000-60000-1109-TR-NS5 can be seen below.