FREQUENCY
5.85–8.2 GHz
TYP. GAIN
7 dBi
TYP. VSWR
< 2.25:1
MATERIAL
Aluminum (AlSi10Mg)
Tapered aperture
Tapered end edges suppress diffraction for cleaner patterns.
Reference probe
Characterized low-gain reference for measurement and EMC.
Designed in the USA
Designed, assembled, and tested in California.
Product Details
The OEWG-WR137 is a C-band rectangular open-ended waveguide probe covering 5.85 to 8.2 GHz with a broad, well-behaved radiation pattern and typical gain near 7 dBi. Open-ended waveguides are the standard low-gain reference for antenna pattern and EMC measurement, near-field probing, and as a clean low-directivity source. The tapered aperture edges suppress diffraction for cleaner patterns. It presents a standard WR-137 (UG-441/U) waveguide flange; an optional AntenX SMA-WR137 coax-to-waveguide adapter adds an SMA interface for direct cabling.
- Rectangular open-ended waveguide probe with broad E- and H-plane patterns and typical gain near 7 dBi across the full 5.85 to 8.2 GHz band.
- Standard low-gain reference for antenna pattern and EMC measurement, near-field probing, and clean low-directivity illumination.
- Tapered aperture edges minimize diffraction effects for cleaner patterns.
- Standard WR-137 (UG-441/U) waveguide flange; pair with the AntenX SMA-WR137 coax-to-waveguide adapter for an SMA (coaxial) interface.
- Compact all-metal aluminum construction; available as the bare probe or bundled with the SMA-WR137 adapter.
Specifications
General
| Design | Rectangular open-ended waveguide probe |
| Polarization | Linear (H/V by orientation) |
| Waveguide interface | WR-137, UG-441/U flange |
| Optional adapter | SMA-WR137 coax-to-WR-137 (SMA female) |
| Impedance | 50 Ω |
| Construction | Aluminum alloy (AlSi10Mg), additively manufactured, painted finish |
| Dimensions (L × W × H) | 79.5 × 79.5 × 203.2 mm (3.1 × 3.1 × 8.0 in) |
Performance over frequency
| PARAMETER | FREQUENCY | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| VSWR† | 5.85 – 8.2 GHz | – | 1.9 | 3.0 | – |
| Gain | 5.85 – 8.2 GHz | 3.5 | 7.0 | 10.0 | dBi |
| HPBW, E-plane | 5.85 – 8.2 GHz | 40 | 85 | 115 | deg |
| HPBW, H-plane | 5.85 – 8.2 GHz | 35 | 55 | 75 |
Specifications are typical and subject to change without notice. †VSWR is specified using the AntenX SMA-WR137 coax-to-waveguide adapter.
