The AM6550B1442 from Anatech Electronics is a Band Pass Filter with Frequency 6.4 to 6.7 GHz, Bandwidth 300 MHz, Center Frequency 6550 MHz, Insertion Loss 2.8 dB, Rejection 10 to 25 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM6550B1442 can be seen below.