The ZX75-12-S+ from Mini Circuits is a Band Pass Filter with Frequency 9 to 15 MHz, Center Frequency 12 MHz, Insertion Loss 1.31 to 100.39 dB, Power 0.25 W, VSWR 1.50:1, 2.20:1. Tags: Module with Connectors, Lumped Component Filter. More details for ZX75-12-S+ can be seen below.