The 4SFB400-1000-CD-SFF-HS from Quantic PMI (Planar Monolithics) is a Switched Filter Bank with Frequency 430 to 1070 MHz, Band 1 4330 to 4270 MHz, Band 2 5370 to 5230 MHz, Band 3 6855 to 7045 MHz, Insertion Loss 7 dB. Tags: Module. More details for 4SFB400-1000-CD-SFF-HS can be seen below.