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Description & Specification
5.85 GHz to 8.2 GHz WR-137 Standard Gain Waveguide Horn Antenna
Model: WI-137-UDR-20 | 20 dBi Gain | 800W CW High Power
The WI-137-UDR-20 is a high-performance Waveguide Horn Antenna specifically engineered for precision measurement and high-power operations within the 5.85 GHz to 8.2 GHz C-band. Precision-manufactured from high-grade aluminum and featuring a standard UDR Waveguide Flange, it ensures low VSWR and consistent 20 dBi gain. Its robust 800W power handling and broad 54° beamwidth make it an essential radiator for EMI/EMC testing, antenna calibration, and professional Signal Defense infrastructure.
Technical Specifications
Electrical & RF Performance
| Waveguide Standard | WR-137 / WG14 / R70 |
| Frequency Range | 5.85 - 8.2 GHz |
| Standard Gain | 20 dBi |
| Maximum Power Handling | 800 Watts (CW) |
| V.S.W.R (Max) | 1.3 : 1 |
| -3dB Beamwidth (H/E Plane) | 54° / 54° |
| Impedance | 50 Ohm |
Mechanical & Physical Specs
| Dimensions (L x W x H) | 153 x 197 x 290 mm |
| Net Weight | 720 g |
| Waveguide Flange | UDR Style Flange |
| Material | High-Grade Aluminum |
| Polarization | Linear (Vertical/Horizontal) |
| Design & Origin | Taiwan Design / Made in Taiwan (FT-RF) |
Key Tactical & Lab Features
800W High-Power Domination
Engineered to handle massive power loads up to 800W, ideal for high-intensity protection operations and long-range transmitter calibration.
Symmetrical Radiation Pattern
Features a consistent 54-degree beamwidth in both E and H planes, providing excellent coverage for EMI emissions monitoring and field-strength measurements.
C-Band Signal Integrity
Optimized for the full 5.85-8.2 GHz spectrum, offering a critical low-loss link for tactical signal management and electronic protection sub-systems.
Lightweight Aluminum Build
The 720g aluminum body ensures superior structural rigidity while minimizing the load on antenna towers, positioners, or tactical tripods.
Request a Professional Quote
Contact us for specialized gain configurations, alternative waveguide flanges, or integrated coaxial adapters.
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| Antenna Type: | Standard Gain Horn |
| Nominal Gain: | 20 dBi |
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