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Description & Specification
WR159 Standard Gain Waveguide Horn Antenna (4.9 to 7.05 GHz)
Precision Calibration Reference | 20 dBi Gain | Model: HS-159-UAR-20A-SF
The HS-159-UAR-20A-SF is a precision Standard Gain Waveguide Horn Antenna assembly professionally engineered and manufactured by Fei Teng Wireless Technology Co., Ltd. (FT-RF) in Taiwan. Operating across the full WR159 waveguide frequency band of 4.9 GHz to 7.05 GHz, it provides a stable nominal gain of 20 dBi with a low VSWR of 1.25. The assembly consists of a precision pyramidal horn input (WI-159-UAR-20) and a high-performance coaxial-to-waveguide adapter (WC-159-UAR-SF) equipped with a UAR circular flange and a SMA-Female (SUS-303) connector. Supporting power handling up to 380W, it is an essential calibration reference standard for anechoic chamber measurements, antenna gain calibration, and laboratory RF testing.
Technical Specifications
| Waveguide Size | WR159 (WG13 / R58) |
| Frequency Range | 4.90 - 7.05 GHz |
| Nominal Gain | 20 dBi |
| VSWR | 1.25 (typical) |
| 3dB Beamwidth (H / E) | 18° / 18° |
| Power Handling | 380 W |
| Impedance | 50 Ω |
Mechanical & Physical Data
| Dimensions (W x H x L) | 256 x 174 x 310.4 mm |
| Weight | 1.0 kg (Assembly ~963 g) |
| Waveguide Flange | UAR Flange (6 x Ø5.0 mm THRU) |
| Connector | SMA-Female (303 Stainless Steel) |
| Material / Finish | High-Grade Aluminum |
| Country of Origin | Taiwan |
Gain Calibration Plot
Calibration in Progress
Laboratory measurement data pending official upload. Available upon request.
VSWR Performance Curve
Calibration in Progress
Laboratory measurement data pending official upload. Available upon request.
3dB Beamwidth Radiation Pattern
Calibration in Progress
Laboratory measurement data pending official upload. Available upon request.
Key Design & Feature Highlights
Precise Reference Standard
Delivers stable 20 dBi gain across 4.90 to 7.05 GHz, serving as an absolute calibration standard.
Modular Adapter Assembly
Integrated with WC-159-UAR-SF adapter for direct low-loss SMA-Female coaxial connection.
Stainless Steel Connector
Precision 303 stainless steel SMA-Female connector ensures extended mating cycles and signal stability.
Taiwanese Precision
CNC machined from high-grade aluminum alloy to exacting tolerances for repeatable RF performance.
Contact FT-RF Engineering Division
Contact our technical engineering division today to request official quotes or customized mounting solutions.
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