The IS-SM100-TM from TDK RF Solutions is a Microwave Absorber with Absorption 20 to 55 dB, Frequency 300 MHz to 110 GHz, Thickness 39.37 Inch/1000 mm, Thickness 39.37 Inch, Thickness (mm) 1000 mm. Tags: Pyramid. More details for IS-SM100-TM can be seen below.