The ZCBP6-2500-S+ from Mini Circuits is a Band Pass Filter with Frequency 2490 to 2510 MHz, Center Frequency 2500 MHz, Insertion Loss 1.7 to 2.3 dB, Upper Rejection 20 to 55 dB, Lower Rejection 20 to 60 dB. Tags: Module with Connectors, Ceramic Filter. More details for ZCBP6-2500-S+ can be seen below.