Skyware 1.8m Circular Type 183 Class III TxRx

The Skyware Global Type 183 1.8 m Class III RxTx Antenna is a rugged commercial grade product suitable for the most demanding applications. The reflector is thermoset-molded for strength and surface accuracy.

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Product Description

Skyware 1.8m Circular Type 183 Class III C-Band TxRx

The Skyware Global Type 183 1.8 m Class III RxTx Antenna is a rugged commercial grade product suitable for the most demanding applications. The reflector is thermoset-molded for strength and surface accuracy. Molded into the rear of each reflector is a network of support ribs which not only strengthens the antenna, but also helps to sustain the critical parabolic shape necessary for transmit performance.

The Az/El mount is constructed from heavy-gauge steel to provide a rigid support to the reflector and feed support arm. Heavy-duty lockdown bolts secure the mount to any 4.50″ (114 mm) O.D mast and prevent slippage in high winds. Hot-dip galvanizing is standard for maximum environmental protection.

Key Features

  • Rx: 3.625-4.200 GHz Tx: 5.850-6.425 GHz
  • Circular Pol Feed
  • Type N or WR137 Tx Feed Interface
  • Class III Feed

Specification

RF Performance
Effective Aperture 1.8 m (71 in)
Operating Frequency
Transmit
Receive		 5.850 – 6.725 GHz
3.400 – 4.200 GHz
Polarization Linear, Orthogonal
Circular: Tx LH, Rx RH; or Tx RH, Rx LH
Gain (±.3 dBi)
Transmit
Receive		 39.3 dBi @ 6.138 GHz
35.4 dBi @ 3.913 GHz
3 dB Beamwidth
Transmit
Receive		 2.0° @ 6.1 GHz
3.0° @ 3.9 GHz
Sidelobe Envelope (Tx, Co-Pol dBi)
2°<θ<20°
20°<θ<26.3°
26.3°<θ<48°
48°<θ<180°		 29-25 Log θ
-3.5
32-25 Log θ
-10
Antenna Cross-Polarization >30 dB (on axis)
Antenna Noise Temperature
10° El
20° El
30° El		 41°K
36°K
33°K
VSWR
Transmit
Receive		 1.3:1
1.4:1
Isolation
Transmit
Receive		 60 dB
60 dB
Feed Interface
Transmit
Receive		 CPR-137 or Type N
CPR-229
Mechanical Performance
Reflector Material Glass Fiber Reinforced Polyester
Antenna Optics One-Piece Offset Feed Prime Focus Long Focal Length
Mount Type Elevation over Azimuth
Elevation Adjustment Range 7° -90° Continuous Fine Adjustment
Azimuth Adjustment Range 360° Continuous
Feed Support Rectangular Section with Alignment Legs
Mast Pipe Interface 4.50 in (114 mm) Diameter
Wind Loading
Operational
Survival		 50 mi/h (80 km/h)
125 mi/h (200 km/h)
Temperature -50°C to 80°C
Humidity 0 to 100% (Condensing)
Atmosphere Salt, Pollutants and Contaminants as Encountered
in Coastal and Industrial Areas
Solar Radiation 360 BTU/h/ft²
Shock and Vibration As Encountered During Shipping and Handling

Supported Documents

Skyware Global Antenna 1.8m Tx/Rx C-Band Type 183 Class III Datasheet

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