The 4ASFB-26R5G40G-20GN from Quantic PMI (Planar Monolithics) is a Switched Filter Bank with Frequency 26.5 to 40 GHz, Band 1 1 to 26500 MHz, Band 2 26500 to 29500 MHz, Band 3 29500 to 33000 MHz, Isolation 70 dB. Tags: Module. More details for 4ASFB-26R5G40G-20GN can be seen below.