The Andrew 55249-4″ E903H waveguide is a waveguide section engineered for high-power microwave transmission in RF systems spanning 8.2 GHz to 12.4 GHz. This component delivers minimal signal loss and maintains low VSWR performance across demanding broadcast, telecommunications, and microwave distribution applications.
Technical Specifications
• Model: 55249-4″ E903H
• Manufacturer: Andrew (an Amphenol company)
• Type: Waveguide Section
• Material: Brass construction for long service life and metal compatibility
• Construction: Corrugated copper tube with polyethylene jacket, providing transverse stability, flexibility, and crush strength
• Frequency Range: 8.2 GHz to 12.4 GHz
• Insertion Loss: Typically around 0.01 dB
• VSWR: Typically well below 1.15:1
• Waveguide Opening (WR90 equivalent): 0.9 inches × 0.4 inches (22.86 mm × 10.16 mm)
• Flange Pattern: 4-hole configuration
• Pressure Inlet: Equipped for pressurization systems
– Key Features
• Low-loss design optimized for efficient signal transmission
• Pressure-rated inlet for system pressurization applications
• Corrugated construction enhances mechanical strength and flexibility
• WR90-standard dimensions ensure broad compatibility across microwave networks
– Typical Applications
• High-power microwave transmission systems
• Broadcast and telecommunications infrastructure
• RF distribution networks requiring minimal attenuation
– Compatibility & Integration
The E903H connects with industry-standard WR90 waveguide flanges such as CPR90G. Its flange design integrates directly into existing high-power microwave transmission systems without modification.
