The UH50 from Microwave Vision Group is a Microwave Absorber with Absorption 19 to 43 dB, Frequency 30 MHz to 40 GHz, Power 0.75 to 1.5 kW, Thickness 19.69 Inch/500 mm, Thickness 19.69 Inch. Tags: Pyramid, Ultra Hybrid Absorber. More details for UH50 can be seen below.