The Amplifier Research ATH1G4 / AT4510 is a high-gain horn antenna engineered for RF immunity testing, RFI/EMI field testing, and laboratory applications demanding high-intensity RF fields. Operating across 1 GHz to 4.2 GHz with minimum gain of 13.0 dB over isotropic, this antenna delivers consistent performance in broadband measurement and compliance environments.
Technical Specifications
• Frequency Range: 1 GHz – 4.2 GHz
• Gain: Minimum 13.0 dB over isotropic
• VSWR: ≤ 2:1
• Input Power: 100 watts CW
• Impedance: 50 ohms
• Polarization: Linear (vertical or horizontal)
• Beamwidth: E-plane 40°, H-plane 60°
• Connector: Type-N female (AT4510 standard; variants available with SC female, 7-16 DIN female, or 7/8″ EIA)
• Dimensions: 18.5″ H × 18.5″ W × 8.5″ D
• Weight: 15 lbs
– Key Features
• Dual mounting provisions on adjacent sides enable tripod and back plate installation in two perpendicular planes
• Compact construction optimized for field mobility and laboratory bench integration
• Linear polarization selectable between vertical and horizontal orientations
• Controlled VSWR performance ensures predictable impedance matching across the band
– Typical Applications
• Radiated immunity testing per IEC 61000-4-3 and equivalent standards
• EMC/EMI field generation and measurement
• General-purpose broadband RF field work from 1 GHz to 4.2 GHz
• High-intensity field applications requiring 13.0 dB minimum gain
– Compatibility & Integration
Designed for indoor laboratory and shielded test environments. Operates at altitudes to 2000 m under ambient conditions of 5°C to 40°C and relative humidity to 80% (decreasing to 50% at 40°C). Type-N female connector standard; connector variants available for specialized system architectures. Compatible with AR tripod mounting systems and back plate adapters.
