”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.
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