The AM2600B999 from Anatech Electronics is a Band Pass Filter with Frequency 2.5 to 2.7 GHz, Bandwidth 200 MHz, Center Frequency 2600 MHz, Insertion Loss 2 dB, Upper Rejection 30 dB 3600 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2600B999 can be seen below.