The QUAD481218C from PLEXSA MANUFACTURING is a Quadplexer with Frequency 2 to 4 GHz / 4 to 8 GHz / 8 to 12 GHz / 12 to 18 GHz, Frequency1 2 to 4 GHz, Frequency2 4 to 8 GHz, Frequency3 8 to 12 GHz, Frequency4 12 to 18 GHz. Tags: Module With Connectors. More details for QUAD481218C can be seen below.