The AEWW-4-EHD from Microwave Vision Group is a Microwave Absorber with Absorption 15 to 20 dB, Frequency 25 MHz to 6 GHz, Power 0.5 W, Thickness 4 Inch/101.6 mm, Thickness 4 Inch. Tags: Walkway Absorber. More details for AEWW-4-EHD can be seen below.