RF Waveguide Air Vents

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All HVAC access points into the RF shielded enclosure will be treated with a hex cell honeycomb waveguide vent assembly. The waveguide hex cell geometry is sized for optimal performance at the design specification.

RF Waveguide Air Vents

1/4″ x 3/4″ HONEYCOMB CELL

Shielding Effectiveness

Magnetic Electric Planewave Microwave
1kHz 20kHz 100kHz 10MHz 100MHz 1GHz 10GHz 18GHz 40GHz
25dB 100dB 100dB 100dB 100dB 96dB N/A N/A N/A

Pressure Drop

Inches of Water 0.065 0.095 0.1 0.15
At Feet Per Minute * 800 1,000 1,200 1,400

* Multiply by area to obtain CFM

MRI/RF Shielding Brochure