Product Category

Product Name : GVU650G
Product Description




    Product Character



    FOR Marine VHF Radio & GPS Navigation


    Physical Condition
    Constructions: Polycarbonate radome;detachable cable/connector for easy mount; rubber-O-ring between top radome and screw base for waterproof
    Dimensions: 60mm(Dia.) x 45mm(H)
    Weight: 65grams (w/o cable & connector).
    Color: Standard in ivory white; other colours available upon request.
    Mounting: Bulkhead mount with 0.8 inch threaded wing nut (standard accessory).
    Cable & Connector
    RF cable: TNC(M) +10 meter RG58 +BNC(M) (standard) other length (optional)
    Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
    Connector TNC(F)or SMA(F)
    Antenna Element
    Center Frequency: 1575Mhz & 1596-1610 MHz
    Polarization: R.H.C.P. (Right Handed Circular Polarization).
    Bandwidth 10 MHz min. @S11≤ -10 dB; 24MHz typ. @S11< -8dB
    Gain @ 10° Elevation: 2 dBi typical.
    Axial Ratio: 3 dB max.
    Output VSWR: 1.5 max
    Output Impedance: 50 ohm
    Low Noise Amplifier
    Power Gain: 1570 Mhz : 29db typ 
    1610 Mhz : 29db typ
    Bandwidth: 50 MHz min.
    Noise Figure: 1.5 typ
    Outer Band Attenuation: 20 dB min. @ Fo +/-50 Mhz.
    Supply Voltages: 2.3~5.5V DC.
    Current Consumption: 2.5V : 6.6mA Typ.
    3V:10.6mA Typ.
    4V: 14.6mA Typ.
    5V: 20.6mA Typ.
    Output Impedance: 50W ohm
    Overall Performance: (antenna element; LNA & coax cable)
    Center Frequency: 1570 ~1610 Mhz.
    Gain: At 90° vertical to sky 30 ± 4.5dBi (cable loss) 
    Note:1 Mounted on the 60mm x 60mm square ground plane
    Noise Figure: 2.0 max.
    Axial Ratio: 3 dB max.
    Bandwidth: 10MHz min.
    VSWR: 2.0 max.
    Output Impedance: 50W ohm
    Operating Temperature: -40°C~ +85°C.
    Storage Temperature: -40°C~ +90°C.
    Relative Humidity: 95% non-condensing.
    Water Resistance: 100% waterproof.

    Marine VHF Antenna Specifications: UVA-1400

    Marine UHF/VHF Dual Band Antenna.

    This document provides a Sleeve Dipole Antenna design .

    Electrical Properties

    Frequency Band 144 / 430 MHz
    Nominal Impedance 50 ohm
    Polarization Vertical
    V.S.W.R 1.5:1
    Power 100W
    Note: Gain includes the cable loss

    Mechanical Properties

    Antenna Type Omni-Directional Antenna
    Material Fiberglass
    Touch Type Screw Type
    Connector Type PL259 connector (Female)
    Antenna Dimensions 1400 mm ±10
    Antenna Color White
    Operating Temperature Range -20°C~+60°C
    Storage Temperature Range -30°C~+70°C