The ABS-MLSE from ABS Technics is a Microwave Absorber with Frequency 6 to 60 GHz, Thickness 0.03 to 0.07 Inch / 1 to 2 mm, Thickness 0.03 to 0.07 Inch, Thickness (mm) 1 to 2 mm, Operating Temperature -40 to 170 Degree C. More details for ABS-MLSE can be seen below.