The AM3500B1113 from Anatech Electronics is a Band Pass Filter with Frequency 3.4 to 3.6 GHz, Bandwidth 200 MHz, Center Frequency 3500 MHz, Insertion Loss 2 dB, Upper Rejection 40 dB @ 2923-3132 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM3500B1113 can be seen below.