The BFHKI-9901+ from Mini Circuits is a Band Pass Filter with Frequency 8600 to 10900 MHz, Bandwidth 2300 MHz, Center Frequency 9.75 GHz, Insertion Loss 3.7 to 4.6 dB, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFHKI-9901+ can be seen below.