Type 183 1.8m Class III TxRx Antenna
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 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 4.50" (114 mm) O.D. mast and prevent slippage in high winds. Hot-dip galvanizing is standard for maximum environmental protection.
Type 183 Features
- One-piece precision offset thermoset-molded reflector.
- Fine azimuth and elevation adjustments.
- Galvanized feed support arms and alignment struts.
- Factory pre-assembled mount.
- Galvanized and stainless hardware for maximum corrosion resistance.
- Heavy-duty Class III mount for 25 lb (11 kg) RF electronics (LNB & BUC).
| Manufacturer | Skyware Global |
|---|
| RF Performance | |
|---|---|
| Effective Aperture | 1.8 m (71 in) |
| Operating Frequency Transmit Receive | 13.75-14.50 GHz 10.70-12.75 GHz |
| Polarization | Linear, Orthogonal |
| Gain (±.2 dBi) Transmit Receive | 46.8 dBi @ 14.25 GHz 45.3 dBi @ 11.95 GHz |
| 3 dB Beamwidth Transmit Receive | 0.79° @ 14.3 GHz 0.99° @ 12.0 GHz |
| Sidelobe Envelope (Tx, Co-Pol dBi) 1°<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) 26 dB in .5 dB Contour |
| Antenna Noise Temperature 10° El 20° El 30° EL | 43°K 28°K 23°K |
| VSWR Transmit Receive | 1.3:1 1.5:1 |
| Isolation Transmit Receive | 110 dB 35 dB |
| Feed Interface Transmit Receive | WR75 Cover Flange (UBR120) WR75 Cover Flange (UBR120) |
| Mechanical Performance | |
| Reflector Material | Glass Fiber Reinforced Polyester |
| 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 |
| Feed Support | Rectangular Section with Alignment Legs |
| Mast Pipe Interface | 4.50 in (114 mm) Diameter |
| Environmental Performance | |
| 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 |
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