98cm Ka-Band Class III – 980

Global Skyware

98cm Ka-Band Class III – 980

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  • RoHS compliant
  • 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 corrosion resistance
  • All hardware meets 720 minimum salt spray test requirements (ASTM B-117)
  • Fine elevation and azimuth adjustments
  • Ideally suited for Skyware Global Ka Transceiver

  • Description
  • Technical Specifications
  • Support Documents

Overview

The Skyware Global 98cm 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 die-cast 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 2-3/8” (60mm) OD installation mount.

Details

  • RoHS compliant
  • 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 corrosion resistance
  • All hardware meets 720 minimum salt spray test requirements (ASTM B-117)
  • Fine elevation and azimuth adjustments
  • Ideally suited for Skyware Global Ka Transceiver

RF Performance
Operating Frequency
TX 29.50 -30.00 GHz
RX 19.20 - 20.20 GHz
Polarization
TX Circular RH or LH
RX Circular LH or RH
Gain1 (±0.3 dB)
TX 46.8 dBi @ 29.75 GHz
RX 43.8 dBi @ 19.70 GHz
3 dB Beamwidth
TX 0.7° @ 29.75 GHz
RX 1.1° @ 19.70 GHz
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° 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 62°K 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 60 mm (2.38 in) Diameter
Enviromental Performance
Wind Loading
Operational 45 mph (72 km/h)
Functional Survival 80 mph (128 km/h)
Ultimate Survival 125 mph (200 km/h)
  
Temperature -50°C to +80°C
Humidity 0 to 100% (Condensing)
Corrosion protection Standard Hardware 720
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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