The 3690-300 from Holland Shielding Systems is a Pyramid EMC Absorber that operates from 0.5 to 100 GHz. It is made of a microporous material to improve its power handling capacity and can withstand power irradiation (continuous wave) of 8 to 10 kW/m2. This material also supports inside and outside ventilation circulation and has good flame-retardant characteristics, having an oxygen index of more than 60% and a flame-retardant B1 level. It is available in units of 64 absorbers arranged in a grid over a base that measures 500 x 500 mm and can be mounted without any adhesive using a keel mounting method. This absorber is ideal for high-power shield cabinets, ventilation vents of anechoic chambers, etc.