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            RFS RADIO FREQUENCY SYSTEMS ADH SERIES

            GENERAL DESCRIPTION


            TUNABLE HORIZONTAL DIPOLE ANTENNAS - ADH SERIES, GROUND VERSION

            photo RFS Radio Frequency Systems ADH Series The ADH antenna is a horizontally polarized antenna fitted with an adaptive tuing mechanism.

            Available in two frequency bands (2-30 MHz and 3-30 MHz), the antenna is mounted on a 9 metre high tubular mast.

            A hinged mast base is incorporated enabling ease of installation and access to the adaptive tuning mechanism.

            Up to 8 MHz the antenna is predominantly omnidirectional becoming bidirectional when operated between 8-30 MHz.

            The ADH series operates in conjunction with a fully automatic remote control unit.

            TECHNICAL SPECIFICATIONS
            MODEL
            ADH230 ADH330
            Frequency Range (MHz) 2 - 30 3 - 30
            VSWR (after tuning)
            <1.5:1
            Impedance (ohms) 50
            Polarization
            Horizontal
            Azimuth pattern
            omnidirectional ±2 dB for frequencies <8 MHZ
            Bidirectional for frequencies >8 MHz
            Rated Power Input
            1 kW
            Switching Time
            20 mS
            Remote Control Cable
            28 pairs, armoured
            Remote Control Location
            approx. 500 mts
            Wind Rating (km/hr) 160 200
            Maximum Width (m) 16 12
            Specifications may change without notice

            AZIMUTH RADIATION PATTERNS
            RFS Radio Frequency Systems ADH Series azimuth radiation patterns


            ELEVATION RADIATION PATTERNS
            RFS Radio Frequency Systems ADH Series elevation radiation patterns


            GAIN
            RFS Radio Frequency Systems ANV45F gain


            ANTENNA PICTURE
            picture RFS Radio Frequency Systems ADH Series
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