The 7CL4D1G-2G-CD-SFM from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 3.1 to 5.1 GHz, Bandwidth 2000 MHz, Center Frequency 4100 MHz, Insertion Loss 4 dB, VSWR 1.50:1. Tags: Module with Connectors, Combline Filter. More details for 7CL4D1G-2G-CD-SFM can be seen below.