The AM7250B1491 from Anatech Electronics is a Band Pass Filter with Frequency 7.1 to 7.4 GHz, Bandwidth 300 MHz, Center Frequency 7250 MHz, Insertion Loss 3.5 dB, Rejection 25 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM7250B1491 can be seen below.