The AM3000B1693 from Anatech Electronics is a Band Pass Filter with Frequency 2.68 to 3.32 GHz, Bandwidth 640 MHz, Center Frequency 3000 MHz, Insertion Loss 2.3 dB, Rejection 40 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM3000B1693 can be seen below.