The ABS-FLSE from ABS Technics is a Microwave Absorber with Frequency 1 to 12 GHz, Thickness 0.03 to 0.11 Inch / 1 to 3 mm, Thickness 0.03 to 0.11 Inch, Thickness (mm) 1 to 3 mm, Operating Temperature -40 to 170 Degree C. More details for ABS-FLSE can be seen below.