FT-RF WR51 Standard Gain Horn Antennas (HS Series) integrate a calibrated pyramidal horn with a low-loss waveguide-to-coaxial adapter across Ku/K overlap spectrums (15.0 GHz to 22.0 GHz). Featuring standardized 10, 15, 20, or 25 dBi gain options, they provide precise reference standards for airborne radar testing, satellite communication feeds, and RF field probing.

Crafted from lightweight, passivated aluminum alloys, the WR51 HS series guarantees high cross-polarization rejection (>30 dB) and smooth gain flatness across the full operational bandwidth.