The AM1601B1530 from Anatech Electronics is a Band Pass Filter with Frequency 1593 to 1610 MHz, Bandwidth Fo ± 8.5 MHz, Center Frequency 1601.5 MHz, Insertion Loss 4.7 dB, Rejection 20 to 43.5 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1601B1530 can be seen below.