QRH300 Quad Ridged Horn Antenna | 300 MHz – 4.5 GHz
with online calibration protocol and dataset
The QRH300 is a dual-polarized broadband horn antenna operating from 300 MHz to 4.5 GHz, ideal for EMC testing and wideband measurements in large chambers. It features integrated spirit levels for easy alignment in both polarizations. Each antenna is individually calibrated in our anechoic chamber, with calibration data available electronically on our website.
Choose Your Data & Documentation Level
Product Highlights
Key Features
- Suitable for EMC/EMI
- Premium broadband antenna
- Precision-tuned for optimal performance
- Designed for versatile applications
Performance & Versatility
- Circular polarization (optional)
- QR code to access Antenna Portal
- Wide bandwidth and low return loss
- High isolation values
- Multiple mounting options
Manufacturing & Technologies
- AU Technology
- SPM Technology
- In-house production
- High-grade aluminum alloy
Product Parameters
Product identification
- Product Name QRH300
- Product Category Quad Ridged Horn Antenna
Electrical specifications
- Frequency Range 300 MHz – 4.5 GHz
- VSWR (max.) 2.2
- VSWR (avg.) 1.4
- Impedance 50 Ohm
- Connector N (female)
- Power (CW / Peak) 700 W / 1100 W
- Antenna Factor 15 – 30 dB/m
- Port Isolation -32 dB
- Polarization Dual Linear, Circular (with hybrid)
Operating conditions
- Rated Temperature Range 0°C – +50°C
- Storage Temperature Range -20°C – +70°C
Mounting flange
- Mounting Universal antenna mount
Physical specifications
- Width 450 mm (17.717 in)
- Height 570 mm (22.441 in)
- Depth 450 mm (17.717 in)
- Weight 5.8 kg (12.787 lb)
3D View
Interactive WebGL model · drag to rotate · scroll to zoom · red bar shows scale
Mechanical Drawings
Antenna
Mounting flange
Parameters and Performance
Typical parameters
VSWR
Gain
Antenna Factor
Port Isolation
Cross Polarization
Beamwidth
Port A, E plane
Port A, H plane
Port B, E plane
Port B, H plane
Radiation Patterns - Port A
Port A, 0.3 GHz
Port A, 0.4 GHz
Port A, 0.6 GHz
Port A, 0.8 GHz
Port A, 1 GHz
Port A, 1.5 GHz
Port A, 2 GHz
Port A, 2.5 GHz
Port A, 3 GHz
Port A, 3.5 GHz
Port A, 4 GHz
Port A, 4.5 GHz
Radiation Patterns - Port B
Port B, 0.3 GHz
Port B, 0.4 GHz
Port B, 0.6 GHz
Port B, 0.8 GHz
Port B, 1 GHz
Port B, 1.5 GHz
Port B, 2 GHz
Port B, 2.5 GHz
Port B, 3 GHz
Port B, 3.5 GHz
Port B, 4 GHz
Port B, 4.5 GHz
Packaging and Accessories
What's in a box
- QRH300 Antenna
- Factory calibration certificate
- Full calibration report of each antenna
- QR code accessing online portal
- Calibration test dataset (available online)
- Universal antenna mount
Accessories
- Standard mounting flange
-
Factory calibration report
Custom services
- Custom mounting solutions
- Custom calibration data
Manufacturer Information
RFspin s.r.o.
Na Beránce 57/2
160 00 Prague 6
Czech Republic
info@rfspin.com
+420 245 008 847
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