The BFHKI-8501+ from Mini Circuits is a Band Pass Filter with Frequency 7500 to 8800 MHz, Bandwidth 1300 MHz, Center Frequency 8.15 GHz, Insertion Loss 3.6 to 5 dB, Upper Rejection 28 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFHKI-8501+ can be seen below.