The ABS-MLE from ABS Technics is a Microwave Absorber with Frequency 4 to 60 GHz, Thickness 0.019 to 0.078 Inch / 0.5 to 2 mm, Thickness 0.019 to 0.078 Inch, Thickness (mm) 0.5 to 2 mm, Operating Temperature -40 to 120 Degree C. More details for ABS-MLE can be seen below.