The BPNK-252R+ from Mini Circuits is a Band Pass Filter with Frequency 2400 to 2500 MHz, Center Frequency 2450 MHz, Insertion Loss 3.3 to 3.8 dB, Upper Rejection 15.5 to 36 dB, Lower Rejection 22 to 40 dB. Tags: Surface Mount, Ceramic Filter. More details for BPNK-252R+ can be seen below.