The AE1830CB1765 from Anatech Electronics is a Band Pass Filter with Frequency 1730 to 1930 MHz, Bandwidth 200 MHz, Center Frequency 1830 MHz, Insertion Loss 1.6 dB, Rejection 13 to 38 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AE1830CB1765 can be seen below.