The AM2140S175 from Anatech Electronics is a Band Pass Filter with Frequency 2.11 to 2.17 GHz, Bandwidth 60 MHz, Center Frequency 2140 MHz, Insertion Loss 2.2 to 3.5 dB, Upper Rejection 51 dB 2230-2260 MHz. Tags: Surface Mount, RF SAW Filter. More details for AM2140S175 can be seen below.