5G Millimeter wave (mmwave) RF Shielded Enclosure

The DMC-5G-mmW series Millimeter wave RF shielded enclosures are advanced and compact direct field OTA test enclosure occupying minimal floor space. 100 mm thick high performance microwave absorber is fully lined on all walls, ceiling and floor. These enclosures can be used for 5G small cell, Pico cells, Femto and Microcell near field and far field measurements.

  • Product: DMC Millimeter Wave RF Shielded Enclosure
  • Frequency range: 20 GHz to 40 GHz
  • Shielding Effectiveness : >70dB
  • Inside shield to shield dimension: 2900 mm (L) x 1450 (W) x 1450 (H)
  • RF shielded door: 1200 mm x 1200 mm, 2 doors
  • RF shielded door location: On DUT end and transmitting antenna end
  • Absorber Height: 100 mm
  • Positioner center location from Absorber tip: 560 mm
  • Positioner clearance radius required for 360º rotation: 457 mm
  • DUT to Horn antenna distance: 1800 mm
  • Honeycomb vent: 200 mm x 200 mm (on both doors)
  • Fan: On ceiling- 2 nos, On side wall- 2 nos
  • I/O panels: 4 nos on DUT side and 2 nos on Horn antenna side
  • Feed through panel for positioner: 200 mm x 200 mm

Technical Specification of Shielded Enclosure with 5 Axis Positioner

5G-Shield-room-with-Positioner

Positioner details

›  Dimensions

Footprint: 12” x 12” (304 mm x 304 mm)
Total Height: 22.5” (571.5 mm)
Clearance Radius: 18” (914 mm) clearance radius required for full 360º rotation
Total Weight: 42 lbs (19 kg)

 

Positioner

›  Turntable (theta)

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
Resolution: 0.02º full step
0.00125º microstep
Drivetrain: 3.0A/phase bipolar stepper motor with worm drive
Holding Torque: 25 ft-lb
Movement Range: 360º continuous or indexed
Position Feedback: 800-line encoder
Limits: Home & Limit (hardware & software)
Weight (positioner only): 16 lbs (7.27 kg)
Positioner Max Speed: 24º per second
AUT Mounting Options: ¹ 3/8”-16 or M6 4-hole pattern for general mounting
Composition: Acrylic turntable with aluminum base
Weight Capacity: 100 lbs (45 kg)
RF Rotary Joint: Optional (SMA, 2.92 mm, 2.4 mm, 1.85 mm or waveguide)

 

›  Gimbal (phi)

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
Resolution: 0.05º full step
0.00250º microstep
Drivetrain: 2.0A/phase bipolar stepper motor with belt drive
Holding Torque: 20 ft-lb
Movement Range: 360º continuous or indexed
Position Feedback: 800-line Encoder
Limits: Home (hardware & software)
Weight (gimbal only): 26 lbs (11.7 kg)
Gimbal Max Speed: 24º per second
AUT Mounting Options: ¹ 3.625” (92 mm) diameter PVC mounting plate with 10-32 hole array
Composition: Delrin, ABS, PLA+, fiberglass
Weight Capacity: 40 lbs (18 kg)
RF Rotary Joint: Optional (SMA, 2.92 mm, 2.4 mm, 1.85 mm or waveguide)

¹ = Custom mounting solutions available upon request

 

Electrical & Communications

Controller type: 3 axis microprocessor based controller
Resolution: Full step through 1/32 microstep
Motor Current: 3.125A per motor phase max
Cooling: Dual 40mm 24V fans
Motor Connector: M12 axial 5-pin connector + 5-pin encoder connector
Communication Interface: DB9 RS232 serial port with external USB adapter
Communication cable length: 1 meter
Input Voltage: 24VDC 3A
Power Supply (included): 24VDC 5A – 110/220v input
Motor cable length: 1 meter