The 5525BP15B0750 from Johanson Technology is a Band Pass Filter with Frequency 5.1 to 5.9 GHz, Bandwidth 800 MHz, Center Frequency 5500 MHz, Insertion Loss 3.5 dB, Rejection 35 to 40 dB. Tags: Surface Mount, Ceramic Filter. More details for 5525BP15B0750 can be seen below.