D6025 Series

The D6025 Series is a highly versatile multi-axis antenna measurement system suited for devices up to 25 pounds (11.5 kg). The non-metallic, belt-driven head provides a low-reflection environment ideal for electrically small or omni-directional antennas.

What’s Included?

The standard D6025 package features a 2-axis positioner, our powerful DAMS Antenna Measurement Studio, precision RF cables and rotary joints, all tools and documentation, plus DUT mounting hardware. Everything is backed by 3-year warranty.

  6025 Series Datasheet

Educational discounts are available for students, teachers or staff of universities or technical schools.

Key Features & Functions

  • 2D & 3D Spherical Measurements (AZ over EL, EL over AZ, XYZ planes and more)
  • Far Field Parameters (gain, beamwidth, efficiency, directivity, polarization, isolation, and more)
  • OTA Measurements (TRP/TIS)
  • Phase Center Measurements
  • Spherical Near Field (optional)


  • Dual rotary joints
  • Multiple configuration options
  • Indexable mast offset up to 17” from center
  • Non-metallic DUT mounting axis
  • Ultra-high precision (up to 0.02º)
  • Ideal for most antennas up to 25 pounds

What's Included?

The standard D6025 package features:

  • 2-axis positioner
  • DAMS Antenna Measurement Studio
  • Precision RF cables
  • Precision dual rotary joints
  • DUT mounting hardware
  • Tools and documentation
  • 3-year warranty


›  Dimensions

Footprint:18” x 18” (457 mm x 457 mm)
Total Height:60.2" (1529 mm)
Clearance Radius:With wheels: 45” (1150 mm) maximum recommended extension
Secured: 60" (1524 mm)
(surrounding clearance required for unimpeded 360º rotation)
Total Weight:99 lbs (44.9 kg)


›  Turntable
Frequency Ranges (GHz):Coax: DC to 6, 18, 40, 50, or 67 GHz
mmW: 50-75 (V-Band), 60-90 (E-Band) or 75-110 (W-Band) GHz
Drivetrain:Precision worm gear table with 1.8º stepper motor
Gear Ratio:72:1
Movement Range:0-360º or ± 180º (re-indexable hardware limits)
Slip Ring:Optional 12-channel slip ring
Position Feedback:Optional encoder (default open loop, position tracked by software)
Weight (positioner only):40 lbs (18 kg, with slide rails)
Positioner Max Speed:4 RPM (24º per second)
AUT Mounting Options: ¹18” (460 mm) diameter acrylic plate, 0.750” thick, 1/4”-20 hole array
(M6 hole array available upon request)
Through-bore Diameter:Standard: 1.4” (35.5 mm)
mmW: 3.25” (82.5 mm)
Weight Capacity:Centered: 75 lbs (34 kg); distributed: 100 lbs (45.4 kg)
RF Rotary Joint:Precision (SMA, 2.92 mm, 2.4 mm, 1.85 mm or waveguide)
›  Roll / Phi Axis
Frequency Ranges:Coax: DC to 6, 18, 40, 50, or 67 GHz
mmW: 50-75 (V-Band), 60-90 (E-Band) or 75-110 (W-Band) GHz
Drivetrain:Belt driven with 1.8º stepper motor
Gear Ratio:36:1 with precision planetary reducer
Movement Range:360º continuous or ± 180º
Positioner Max Speed:4 RPM (24º per second)
Position Feedback:Optional encoder (default open loop, position tracked by software)
Weight (mast only):22 lbs (10 kg)
AUT Mounting Options: ¹4.5” (115 mm) diameter PVC mounting plate with 10-32 hole array
(Larger plate and/or M5 hole array available upon request)
Through-bore Diameter:1.75” (44.5 mm)
Weight Capacity:25 lbs (11.4 kg)
Axial Moment Capacity:20 ft-lbs (27 Nm, 2.75 m-kg)
Lateral Moment Capacity:10 ft-lbs (13.5 Nm, 1.35 m-kg)
RF Rotary Joint:Precision (SMA, 2.92 mm, 2.4 mm, 1.85 mm or waveguide)

¹ = Custom mounting solutions available upon request

Electrical & Communications

Controller type:Internal 3-axis microprocessor-based controller
Resolution:Up to 1/32nd microstepping
Motor current:3.125A per motor phase
Cooling:24V fan
Communication interface:9-pin D-Sub RS-232 (USB-to-Serial adapter included)
Included cable length:10 feet (3 meters)
Input voltage:24VDC 5A - 2.5 mm DC barrel connector
Power supply:24VDC 5A, 110V / 220V input (included)

Standard Models

Unless otherwise specified, all standard model packages include the positioner, software, all RF components, AUT mounting hardware, and tools and documentation.

D6025-00No RF Components
D6025-066 GHz SMA RF Components
D6025-1818 GHz SMA RF Components
D6025-4040 GHz 2.92 mm RF Components
D6025-5050 GHz 2.4 mm RF Components
D6025-6767 GHz 1.85 mm RF Components
D6025-7550 to 75 GHz mmW V-Band RF Components
D6025-9060 to 90 GHz mmW E-Band RF Components
D6025-11075 to 110 GHz mmW W-Band RF Components
D6025-MMW-CFXNo RF components; configured with mounts for Copper Mountain FX series mmW adapters (up to 110 GHz)


OPT-SR12-channel slip ring (for unlimited 360º rotations)
OPT-WGDHWorm-gear driven head
OPT-AZAutomated linear Z-axis
OPT-AZXYAutomated linear Z- and X-axis with pseudo Y-axis
OPT-ENCEncoder feedback capability
DPA-PDKDAMS Platform Development Kit
OPT-SMASoftware maintenance agreement


DEPC-DPre-configured PC (desktop)
DEPC-LPre-configured PC (laptop)
DE-SIMDAMS Antenna & Network Simulator software add-on
DPA-SW-N2FSpherical nearfield processing
DPA-AUTOPOL18 GHz SPDT RF switch auto-polarizer with cables/adapters
DPA-AUTOPOL-4040 GHz SPDT RF switch auto-polarizer with cables/adapters
DE-05xxBroadband reference horn 500 MHz to 18, 26, 30 or 40 GHz
DE-07xxBroadband reference horn 700 MHz to 18, 26, 30 or 40 GHz
[icon icon=”fa fa-handshake-o” position=”icon-left” icon_size=”50″ title=”Customer Support”]Diamond Engineering takes great pride in providing top-notch customer and technical support.  If you are having any issues with your system, we welcome you contact us directly.  We can walk you through or suggest solutions to any issues you may have.

Please don’t hesitate to contact us.[/icon]

[icon icon=”fa fa-book” position=”icon-left” icon_size=”50″ title=”Microwave Library”]If you have not already reviewed the materials in the Microwave Library, we encourage you to.  There you will find numerous application notes detailing how to accomplish many types of tasks.

To visit the Microwave Library, click here.[/icon]

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