The BFCN-5200+ from Mini Circuits is a Band Pass Filter with Frequency 4250 to 6300 MHz, Center Frequency 5200 MHz, Insertion Loss 1.8 to 3.5 dB, Upper Rejection 10 to 21 dB, Lower Rejection 15 to 23 dB. Tags: Ceramic, Ceramic Filter. More details for BFCN-5200+ can be seen below.