The AM1960B1666 from Anatech Electronics is a Band Pass Filter with Frequency 1.93 to 1.99 GHz, Bandwidth 60 MHz, Center Frequency 1960 MHz, Insertion Loss 3.5 dB, Rejection 30 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1960B1666 can be seen below.