The BFHKI-6251+ from Mini Circuits is a Band Pass Filter with Frequency 5350 to 6700 MHz, Bandwidth 1350 MHz, Center Frequency 6 GHz, Insertion Loss 4 to 5 dB, Upper Rejection 40 to 65 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFHKI-6251+ can be seen below.