The 4SFB-2G18G-CD-SFF from Quantic PMI (Planar Monolithics) is a Switched Filter Bank with Frequency 2 to 18 GHz, Band 1 2000 to 3500 MHz, Band 2 3500 to 6000 MHz, Band 3 6000 to 10400 MHz, Insertion Loss 7 dB. Tags: Module. More details for 4SFB-2G18G-CD-SFF can be seen below.