The BFHK-9901+ from Mini Circuits is a Band Pass Filter with Frequency 8600 to 10900 MHz, Bandwidth 2300 MHz, Center Frequency 9.7 GHz, Insertion Loss 3.0 to 4.2 dB, Upper Rejection 70 to 80 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFHK-9901+ can be seen below.