The 4SFB-6G18G-BR-SFF from Quantic PMI (Planar Monolithics) is a Switched Filter Bank with Frequency 6 to 18 GHz, Band 1 6000 to 7300 MHz, Band 2 7800 to 8400 MHz, Band 3 9000 to 18000 MHz, Insertion Loss 1 dB. Tags: Module. More details for 4SFB-6G18G-BR-SFF can be seen below.