The ZVBP-3420-S+ from Mini Circuits is a Band Pass Filter with Frequency 3340 to 3500 MHz, Center Frequency 3420 MHz, Insertion Loss 1.5 to 2 dB, Upper Rejection 15 to 47 dB, Lower Rejection 14 to 43 dB. Tags: Module with Connectors, Cavity Filter. More details for ZVBP-3420-S+ can be seen below.