The ZVBP-2780-S+ from Mini Circuits is a Band Pass Filter with Frequency 2700 to 2860 MHz, Center Frequency 2780 MHz, Insertion Loss 1.4 to 2 dB, Upper Rejection 15 to 46 dB, Lower Rejection 14 to 43 dB. Tags: Module with Connectors, Cavity Filter. More details for ZVBP-2780-S+ can be seen below.