The AM1950B1279 from Anatech Electronics is a Band Pass Filter with Frequency 1.92 to 1.98 GHz, Bandwidth 60 MHz, Center Frequency 1950 MHz, Insertion Loss 1.5 dB, Rejection 28 to 60 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1950B1279 can be seen below.