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Vents are one of the main points of electromagnetic interference leakage. Under the strict requirements of the national military standard GJB151/152, conventional methods such as drilling small holes (perforated metal plates) or adding metal wire mesh on
Contact usProduct Description
The electromagnetic shielding waveguide ventilation window delivers excellent performance in electromagnetic shielding, ventilation, environmental adaptability and mechanical properties. It is an array of cut-off waveguides with hexagonal cross-sections. Under the same shielding effectiveness, hexagonal waveguide channels feature a larger cross-sectional area than square ones.
Application Scope
This product is widely used in shielding cabinets and enclosures, shielded rooms, anechoic chambers, communication equipment, shelters, medical devices, military computers, aerospace facilities, marine equipment and various other electronic devices.
Technical Specifications
1.Vent hole shape: Hexagon
2.Sizes: 3.2 mm, 4.8 mm
3.Shielding Effectiveness:
Class B: ＞100 dB, 150 KHz ~ 18 GHz
Class C: ＞100 dB, 14 KHz ~ 40 GHz
4.Compliance Standards: GJB151/152, MIL-STD-285
5.Installation Method: Bolt compression type and welding type. Welding type is commonly adopted for electromagnetic shielding rooms.
Waveguide Window Naming Rules
Window Dimensions
| Type | Picture NO. | Size | ||||||||
| A | B | C | D | E | F | H | I | J | ||
| FS-100X100X45-3.2 |  | 100 | 200 | 100 | 200 | / | / | 50 | / | / |
| FS-100X100X45-4.8 | 100 | 200 | 100 | 200 | / | / | 50 | / | / | |
| FS-150X150X45-3.2 | 150 | 250 | 150 | 250 | / | / | 50 | / | / | |
| FS-150X150X45-4.8 | 150 | 250 | 150 | 250 | / | / | 50 | / | / | |
| FS-200X200X45-3.2 | 200 | 300 | 200 | 300 | / | / | 50 | / | / | |
| FS-200X200X45-4.8 | 200 | 300 | 200 | 300 | / | / | 50 | / | / | |
| FS-300X300X45-3.2 | 300 | 400 | 300 | 400 | / | / | 50 | / | / | |
| FS-300X300X45-4.8 | 300 | 400 | 300 | 400 | / | / | 50 | / | / | |
| FS-400X400X45-3.2 | 400 | 500 | 400 | 500 | / | / | 50 | / | / | |
| FS-400X400X45-4.8 | 400 | 500 | 400 | 500 | / | / | 50 | / | / | |
| FS-300X300X45-3.2-FBH |  | 300 | 400 | 300 | 400 | 350 | 350 | 50 | / | 10.5 |
| FS-300X300X45-4.8-FBH | 300 | 400 | 300 | 400 | 350 | 350 | 50 | / | 10.5 | |
| FS-400X400X45-3.2-FBH | 400 | 500 | 400 | 500 | 450 | 450 | 50 | / | 10.5 | |
| FS-400X400X45-4.8-FBH | 400 | 500 | 400 | 500 | 450 | 450 | 50 | / | 10.5 | |
| FS-75X60X13-3.2-FBH |  | 75 | 90 | 60 | 75 | 84.5 | 69 | 13 | / | M2.5 |
| FS-∅50X13-3.2-FBH |  | 50 | 60 | 50 | 60 | / | / | 13 | 50 | M3 |
| FS-∅75X13-3.2-FBH | 72 | 85 | 72 | 85 | / | / | 13 | 75 | M3 | |
| FS-∅95X13-3.2-FBH | 105 | 120 | 105 | 120 | / | / | 13 | 95 | M4 | |
| Waveguide windows can be customized in size according to the opening dimensions. | ||||||||||