The FHY-12 from Sahajanand Laser Technology Limited is a Microwave Absorber with Absorption 13 to 40 dB, Frequency 30 MHz to 40 GHz, Power 0.5 W, Thickness 11.81 Inch/300 mm, Thickness 11.81 Inch. Tags: Pyramid, Hybrid Absorber, Foam Absorber. More details for FHY-12 can be seen below.