The AEPHT-30 from Microwave Vision Group is a Microwave Absorber with Absorption 16 to 45 dB, Frequency 20 MHz to 40 GHz, Thickness 30 Inch/762 mm, Thickness 30 Inch, Thickness (mm) 762 mm. Tags: Pyramid, EMC Absorber. More details for AEPHT-30 can be seen below.