The AE1621CB1779 from Anatech Electronics is a Band Pass Filter with Frequency 1616 to 1626.5 MHz, Bandwidth 10.5 MHz, Center Frequency 1621.25 MHz, Insertion Loss 1 dB, Rejection 20 to 40 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AE1621CB1779 can be seen below.