The ZVBP-3R25G-S+ from Mini Circuits is a Band Pass Filter with Frequency 3000 to 3500 MHz, Center Frequency 3250 MHz, Insertion Loss 0.3 to 0.7 dB, Upper Rejection 10 to 51 dB, Lower Rejection 10 to 61 dB. Tags: Module with Connectors, Cavity Filter. More details for ZVBP-3R25G-S+ can be seen below.