The QRH300 Quad Ridged Horn Antenna from RF Spin is a high-performance broadband antenna engineered for EMC testing, antenna calibration, and advanced RF measurement applications. Covering a wide frequency range from 300 MHz to 3 GHz, the QRH300 delivers stable gain, excellent field uniformity, and low VSWR performance across the entire operating band. Its quad ridged horn design provides superior broadband characteristics and reliable directional performance for demanding laboratory and test environments.
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): 400 W / 750 W
Antenna Factor: 15 – 30 dB/m
Port Isolation: -32 dB
Polarization: Dual Linear, Circular (with hybrid)
Physical Specifications
Width: 450 mm (17.717 in)
Height: 570 mm (22.441 in)
Depth: 450 mm (17.717 in)
Weight: 9 kg (19.842 lb)
Mounting Flange: Universal antenna mount
Operating Conditions
Rated Temperature Range: 0°C – +50°C
Storage Temperature Range: -20°C – +70°C
