The AE2590CB1769 from Anatech Electronics is a Band Pass Filter with Frequency 2490 to 2690 MHz, Bandwidth 200 MHz, Center Frequency 2590 MHz, Insertion Loss 1.7 dB, Rejection 13 to 38 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AE2590CB1769 can be seen below.