The BFCQ-2552+ from Mini Circuits is a Band Pass Filter with Frequency 25.2 to 26.6 GHz, Center Frequency 25.8 GHz, Insertion Loss 2.5 to 3.3 dB, Upper Rejection 20 to 44 dB, Lower Rejection 20 to 55 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCQ-2552+ can be seen below.