The FS-200 from ETS-Lindgren is a Microwave Absorber with Frequency 30 MHz to 40 GHz, Power 540 to 1000 V/m CW, Thickness 8.0 inch/200 mm, Thickness 8.0 inch, Thickness (mm) 200 mm. Tags: Ferrite, Pyramid, Hybrid Absorber. More details for FS-200 can be seen below.