The BFCG-552+ from Mini Circuits is a Band Pass Filter with Frequency 5100 to 5930 MHz, Center Frequency 5515 MHz, Insertion Loss 1.2 to 2 dB, Upper Rejection 20 to 32 dB, Lower Rejection 20 to 35 dB. Tags: Ceramic, Ceramic Filter. More details for BFCG-552+ can be seen below.