The BFCN-7700 from Mini Circuits is a Band Pass Filter with Frequency 7.5 to 7.9 GHz, Bandwidth 400 MHz, Center Frequency 7700 MHz, Insertion Loss 1.8 to 3.5 dB, Rejection 20 dB @ 6800 and 9000 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCN-7700 can be seen below.