The BFHKI-7851+ from Mini Circuits is a Band Pass Filter with Frequency 6700 to 8600 MHz, Bandwidth 1900 MHz, Center Frequency 7.7 GHz, Insertion Loss 3.4 to 4.7 dB, Upper Rejection 32 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFHKI-7851+ can be seen below.