The AM4180B1067 from Anatech Electronics is a Band Pass Filter with Frequency 4.16 to 4.2 GHz, Bandwidth 40 MHz, Center Frequency 4180 MHz, Insertion Loss 3 dB, Lower Rejection 50 dB @ 3890 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM4180B1067 can be seen below.