The BPNK-542R+ from Mini Circuits is a Band Pass Filter with Frequency 4900 to 5950 MHz, Center Frequency 5425 MHz, Insertion Loss 1.3 to 1.6 dB, Upper Rejection 32 to 38 dB, Lower Rejection 23 dB. Tags: Surface Mount, Ceramic Filter. More details for BPNK-542R+ can be seen below.