69cm Ka-Band Class III – 690

Global Skyware

69cm Ka-Band Class III – 690

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  • ISO 9001:2008 Certificate of Registration
  • All Materials Comply with EU Directive No. 2002/95/EC (RoHS)
  • Precision pressed steel reflector
  • Long focal length optics for low cross-pol or beam squint
  • Steel components are pre- galvanized and powder coat painted for excellent corro- sion resistance
  • All hardware meets 500 minimum salt spray test re- quirements (ASTM B-117)

  • Description
  • Technical Specifications
  • Support Documents

Overview

The Skyware Global 69cm Rx/Tx Ka-Band Antenna is a rugged, commercial grade product suitable for the most demanding applications.

The pressed steel reflector assures the surface accuracy needed for Ka-band performance. Pre-galvanized steel with a powder coat finish guarantees excellent corrosion resistance and long life.

The pressed steel back structure provides for precision alignment of the reflector and support of the RF assembly without distortion.

The reflector optics incorporate a long focal length for excellent cross-pol discrimination or “beam squint”.

The heavy gauge steel Az/El mount provides a rigid support for the antenna and incorporates precise fine elevation and azimuth adjustment.

This Az/El allows the antenna to be installed on any standard 2” (51mm) or 2 3/8” (60.3mm) OD installation mount or mast depending of customer requirements.

Details

  • ISO 9001:2008 Certificate of Registration
  • All Materials Comply with EU Directive No. 2002/95/EC (RoHS)
  • Precision pressed steel reflector
  • Long focal length optics for low cross-pol or beam squint
  • Steel components are pre- galvanized and powder coat painted for excellent corro- sion resistance
  • All hardware meets 500 minimum salt spray test re- quirements (ASTM B-117)
  • Fine elevation and azimuth adjustments
  • Ideally suited for Skyware Global Ka-Band Transceiver

RF Performance
Operating Frequency
TX 29.50-30.00GHz
RX 19.20-20.20GHz
Polarization
TX Circular RH or LH
RX Circular RH or LH
Gain (±0.3 dB)
TX 44.8 dBi @ 29.75GHz
RX 41.2 dBi @ 19.70GHz
3 dB Beamwidth
TX 0.7° @ 29.75GHz
RX 1.1° @ 19.70GHz
Sidelobe Envelope (Tx, Co-Pol dBi)
100 λ/D < q < 20° 29-25 log q dBi
20° < q < 26.3° -3.5 dBi
26.3° < q < 48° 32-25 log q dBi
48° < q < 180° -10 dBi (Typical)
Antenna Cross-Polarization (within 1dB B/W)
RX 22dB
Antenna Noise Temperature 1
.@ 30° EL 56K Max
  
VSWR 1.3:1 Max
Feed Interface Custom Circular
Mechanical Performance
Reflector Material Steel
Antenna Optics One-Piece Offset Feed Prime Focus
Mount Type Elevation Over Azimuth
Elevation Adjustment Range 8°-90° Continuous Fine Adjustment
Azimuth Adjustment Range 360° Continuous ± 5° Fine Adjustment
Mast Pipe Interface 51mm (2.00in)Diameter(Std.)
60mm (2.38in)Diameter(Opt.)
Enviromental Performance
Wind Loading
Operational 45mph (72km/h)
Functional Survival 80mph (128km/h)
Ultimate Survival 125mph (200km/h)
Operational Temperature -40°C to +60°C
Survival Temperature -50°C to +80°C
Humidity 0 to 100% (Condensing)
Corrosion protection Standard Hardware 500 Hrs
SST Requirements (ASTM B-117)
Solar Radiation 360 BTU/h/ft2
Shock and Vibration As Encountered during Shipping and handling
1 Gain and Noise Temperature at Feed Horn Flange
(All specifications typical)

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