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    Topcon CR-G5

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    Next Generation Full Wave Geodetic Antenna

    The CR-G5 is a newly designed choke ring antenna based on Topcon’s new TA-5 full spectrum GNSS antenna element. The TA-5 antenna element utilizes an array of vertical convex dipoles. This new antenna provides Full Wave tracking technology for existing and future GNSS signals. The antenna addresses the evolving requirements for reference networks and infrastructure monitoring applications.

    Features:

    • Competitive high-end Geodetic Antenna
    • Topcon’s TA-5 vertical convex dipole antenna element for full spectrum GNSS signal tracking
    • Topcon designed choke ring groundplane
    • Environmentally robust and sealed
    • Improved phase center stability in vertical over expanded GNSS frequency band.

    CR-G5 Full Wave:

    The CR-G5 Full Wave Geodetic Antenna replaces the CR-G3 antenna and supports more signals and constellations. The CR-G5 is a newly designed choke ring antenna based on Topcon’s new TA-5 full spectrum GNSS antenna element. The TA-5 antenna element utilizes an array of vertical convex dipoles. This new antenna provides Full Wave tracking technology for existing and future GNSS signals including:

    • GPS
    • GLONASS
    • Galileo
    • Compass
    • QZSS

    The antenna addresses the evolving requirements for reference networks and infrastructure monitoring applications.

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    • Technical Specifications

    • Diameter (Physical)

      • Antenna without Anti-snow: 380 mm
      • With Anti-snow Spherical: 380 mm
      • With SCIGN Anti-snow Short: 415 mm

      Height (Physical)

      • Antenna without Anti-snow: 155 mm
      • With Anti-snow Spherical: 292 mm
      • With SCIGN Anti-snow Short: 287 mm

      Weight (Physical)

      • Antenna: 4.9 kg
      • Topcon Anti-snow Spherical: 1.1 kg
      • With Anti-snow Spherical: 6 kg

      Power (Physical)

      • Input Voltage: +3 to +12 VDC
      • Current Consumption: 100 mA (typical)
      • Connector: N-type

      MIL-STD-810G (Environmental)

      • Temperature: (Methods 501.5, 502.5)
      • Operating Range: -50°C to +70°C
      • Storage Range: -55°C to +85°C

      Environmental

      • Humidity: 95%, Method 507.5
      • Salt Fog, 5%: (Method 509.4)
      • Vibration: Method 514.6, Broad band noise
      • Mechanical Shock: Method 516.6, Procedure I
      • Waterproof: IEC 60529 IPX7
      • Dustproof : IEC 60529 IP6X
      • Drop Test : Repeated drops from height of 1m
      • RoHS Compliant: Yes

      Operating Frequency Range (Performance)

      • Lower band: 1230 MHz±70 MHz
      • Upper band: 1565 MHz±50 MHz

      Out-of-Band Rejection (Performance)

      • Upper band: -40 dBc (typical)
      • Lower band: -60 dBc (typical)
      • f < 1000 MHz: -60 dBc (typical)
      • f > 1750 MHz: -60 dBc (typical)

      Gain Roll-Off (Performance)

      • Lower band: -16.5 dB (typical)
      • Upper band: -13 dB (typical)

      Performance

      • Noise Figure: 1.0 dB (typical)
      • VSWR: 1.5 : 1

      Differential Propagation Delay (Performance)

      • Lower band: 3 ns (maximum)
      • Upper band: 3 ns (maximum)
      • Nominal Impedance: 50 Ohm