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The Skyware Global Type 180 1.8M Tx/Rx Class I Antenna System 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 strengthens the antenna and sustains its critical parabolic shape necessary for transmit performance. The reflector optics feature a long focal length for excellent cross-pol performance.
The Az/El mount is constructed from heavy-gauge steel to provide a rigid support to the reflector. The Az/El mount secures the antenna to any 114 mm (4.50") O.D. mast and prevents slippage in high winds. A specially formulated powder paint process offers excellent protection from weather-related corrosion.
| TYPE 180TX CLASS I FEATURESAll materials comply with EU directive No. 2002/95/EC (RoHS).One-piece precision offset thermoset-molded reflectorSingle bolt fine elevation adjustmentGalvanized 19 mm (.75”) O.D. feed support legs.Plated hardware for maximum corrosion resistanceAvailable with C-Band or Ku-Band feeds.Hot dip galvanized Az/El mount.Designed for typical 1W and 2W Block Up-Converters (BUCs) |  |
| RF Performance (Ku-Band...see datasheet for C-Band) | |
|---|---|
| Effective Aperture | 1.8M (71 in) |
| Operating Frequency Transmit Receive | 13.75 - 14.50 GHz 10.70 - 12.75 GHz |
| Polarization | Linear, Orthogonal (co-pol optional) |
| Gain (±.2 dBi) Transmit Receive | 46.8 dBi @ 14.3 GHz 45.3 dBi @ 12.0 GHz |
| 3 dB Beamwidth Transmit Receive | 0.8˚ @ 14.3 GHz 1.0˚ @ 12.0 GHz |
| Sidelobe Envelope (Tx, Co-Pol dBi) Mainbeam < 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 | 43˚ K 28˚ K 23˚ K |
| VSWR Transmit Receive | 1.3:1 1.5:1 |
| Isolation (Port to Port) Transmit Receive | 80 dB 35 dB |
| Feed Interface Transmit Receive | WR75 Flat Flange WR75 Flat Flange |
| 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 |
| Mast Pipe Interface | 73 - 76 mm (2.88 in - 3.00 in) Diameter |
| Wind Loading Operational Survival | 80 km/h (50 mph) 200 km/h (125 mph) |
| Temperature | -50˚C to 80˚C |
| Humidity | 0 to 100% (Condensing) |
| Atmosphere | Standard Hardware Meets 500 Hour Salt Spray Test Requirements (ASTM B-117) |
| Solar Radiation | 360 BTU/h/ft² |
| Shock and Vibration | As Encountered During Shipping and Handling |
Skyware Global Antenna 1.8m Tx/Rx Ku-Band Type 180 Class I Datasheet