The AM1950B192 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 2.5 dB, Upper Rejection 24 dB @ 1840 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1950B192 can be seen below.