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    If you are interested in our work, do not hesitate to contact us, we will be happy to provide you with further information.








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        Broadband Antenna Solutions

        QRH400L Quad Ridged Horn Antenna | 400 MHz – 6 GHz

        with online calibration protocol and dataset

        The QRH400L combines wideband performance with exceptional portability. Weighing just 2.4 kg, it delivers stable gain and polarization balance across the full 400 MHz – 6 GHz range. Each antenna is individually calibrated in our anechoic chamber, with electronic calibration files available online. Built-in dual-axis spirit levels enable fast and precise alignment in any test setup.

        Frequency Range
        400 MHz – 6 GHz
        VSWR (avg.)
        1.5
        Gain
        4 – 15 dBi
        Impedance
        50 Ohm
        Power (CW / Peak)
        500 W / 700 W
        Made on demand
        Lead time 4-8 weeks
        Need more information?
        • Document Icon CST - Protected Model
        • Document Icon 3D Simplified Model
        • Icon Datasheet
        Select files to by sent by e-mail
        Antenna portal
        This product includes Antenna Portal Access

        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 QRH400L
        • Product Category Quad Ridged Horn Antenna

        Electrical specifications

        • Frequency Range 400 MHz – 6 GHz
        • VSWR (max.) 2.3
        • VSWR (avg.) 1.5
        • Impedance 50 Ohm
        • Power (CW / Peak) 500 W / 700 W
        • Antenna Factor 17 – 33 dB/m
        • Port Isolation -32 dB

        Physical specifications

        • Width 335 mm (13.189 in)
        • Height 433 mm (17.047 in)
        • Depth 335 mm (13.189 in)
        • Weight 2.4 kg (5.291 lb)

        Operating conditions

        • Rated Temperature Range 0°C – +50°C
        • Storage Temperature Range -20°C – +70°C

        Mechanical Drawings

        Parameters and Performance

        Typical parameters

        VSWR

        QRH400L - VSWR

        Gain

        QRH400L - Gain

        Antenna Factor

        QRH400L - Antenna Factor

        Port Isolation

        QRH400L - Port Isolation

        Cross Polarization

        QRH400L - Cross Polarization

        Beamwidth

        Port A, E plane

        QRH400L - Port A, E plane

        Port A, H plane

        QRH400L - Port A, H plane

        Port B, E plane

        QRH400L - Port B, E plane

        Port B, H plane

        QRH400L - Port B, H plane

        Radiation Patterns

        Port A, 0.4 GHz

        QRH400L - Port A, 0.4 GHz

        Port B, 0.4 GHz

        QRH400L - Port B, 0.4 GHz

        Port A, 0.6 GHz

        QRH400L - Port A, 0.6 GHz

        Port B, 0.6 GHz

        QRH400L - Port B, 0.6 GHz

        Port A, 1 GHz

        QRH400L - Port A, 1 GHz

        Port B, 1 GHz

        QRH400L - Port B, 1 GHz

        Packaging and Accessories

        Accessories

        • Standard mounting flange

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