The ZVBP-1575R42-S+ from Mini Circuits is a Band Pass Filter with Frequency 1550.42 to 1600.42 MHz, Center Frequency 1575.42 MHz, Insertion Loss 0.7 to 1 dB, Upper Rejection 20 to 77 dB, Lower Rejection 20 to 68 dB. Tags: Module with Connectors, Cavity Filter. More details for ZVBP-1575R42-S+ can be seen below.