Universal Shielding Corp. 8 ft. x 8 ft. Model USC-44 in good condition with power line filter and Instruction Manual including assembly instructions.
Construction is copper screen for the upper four feet of each side. Magnetic attenuation is 40 dB at 15 kHz and electric field attenuation is 120 dB at 15 kHz, 100 dB at 400 MHz, 93 dB at 1 GHz, and 60 dB at microwave frequencies. Frank de Vall MMI Consulting Engineers Inc.

