The 4CL6G-4G-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 4 to 8 GHz, Bandwidth 4000 MHz, Center Frequency 6000 MHz, Insertion Loss 1 dB, VSWR 1.50:1. Tags: Module with Connectors, Combline Filter. More details for 4CL6G-4G-CD-SFF can be seen below.