The IS-SM050-TE from TDK RF Solutions is a Microwave Absorber with Absorption 35 to 55 dB, Frequency 300 MHz to 110 GHz, Thickness 19.69 Inch/500 mm, Thickness 19.69 Inch, Thickness (mm) 500 mm. Tags: Pyramid. More details for IS-SM050-TE can be seen below.