Skyware 1.8m Linear Rx/Tx ClassIII Antenna



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TYPE 183 1.8m C-band Linear RxTx Class III Antenna System

The Skyware Global Type 183 1.8m 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 the 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 114 mm (4.50”) O.D. mast and prevent slippage in high winds. Hot-dip galvanizing is standard on this model for maximum environmental protection. A marinised version of this antenna is also available making it suitable for on-shore and offshore marine enviroments.

• HD Galvanised support arm and alignment struts. Marinised version has all galvanized steel components finished with 2 part epoxy paint.

• Plated hardware for maximum corrosion resistance. Optional marinised version uses ma rine grade AISI 316 stainless steel hardware throughout.

• Includes C-band linear cross-polarized RxTx feed assembly.

• Heavy-duty Class III mount for 11 kg (25 lb) RF electronics (LNB & BUC).

Operating Frequency
TX: 5.85-6.725Ghz; RX: 3.4Ghz-4.2Ghz
Antenna Size
Linear, Orthogonal
Gain (±0.3 dBi)
TX: 39.3 dBi @ 6.1 GHz; RX: 35.4 dBi @ 3.9 GHz
3 dB Beamwidth
TX: 2.0 @ 6.1 Ghz; RX: 3.0 @ 3.9Ghz
Antenna Noise Temperature
10°EL @ 41K; 20° @ 36K; 30° @ 33K
TX: 1.3:1; RX: 1.5:1
Isolation Port to Port
TX: 60dB; RX: 60dB
Cross Polarization
30 dB on Axis
Feed Interface
TX: CPR-137; RX: CPR-229
Reflector Material
Glass Fiber Reinforced Composite
Antenna Optics
One-Piece Offset Feed Prime Focus
Mount Type
Elevation over Azimuth
Elevation Adjustment Range
10˚ - 90˚ Continuous Fine Adjustment
Azimuth Adjustment Range
360˚ Continuous ± 10˚ Fine Adjustment
Mast Pipe Interface
4.5” (114mm) Diameter
Wind Loading
Operational: 80 km/h (50 mph)
Wind Loading
Functional Survival: 128km/h (80mph)
Wind Loading
Ultimate Survival: 200km/h (125mph)
Working Temperature
-50˚C to 80˚C
Standard Hardware Meets 500 Hour
Salt Spray Test Requirements
Solar Radiation
360 BTU/h/ft2
Shock and Vibration
As Encountered During Shipping and Handling

Specific References