Key Features
* Meets or Exceeds CCIR 580 and INTELSAT Requirements
* Dual Reflector Modified Gregorian
* High G/T, Excellent Pattern Characteristics
* Hot-dipped Galvanized Steel Ground Mount Assembly
* C-band Antenna Operating in 800MHz Bandwidth Option
* 2-port, 3-port or 4-port Linear/Circular Feed
* Field Changeable Feed System, Switchable Circular to Linear C-band
* Antenna Az 0°~360°(Continuous) Pointing Range
Antenna Accessories
* Motorization Kits
* 50 Satellite Positions Preset
* Limit Switches
* Steptrack
* ODU Support Kits
* Factory Feed System Testing and Documentation
* Ocean Transport Packing
* Foundation Kit
* Lightening Rod Kit
* Grounding Kit
* Cable-Mounting Kit
* Major Subsystem Spare Part Kits
* Deicing or Anti-icing
ELECTRICAL SPECIFICATION
Operating Frequency, GHz | C-Band | Ku-Band |
Receive | Transmit | Receive | Transmit |
3.4～4.2 | 5.85～6.725 | 10.95～12.75 | 13.75～14.5 |
Gain, Mid-band, dBi | 44 | 47.3 | 53.2 | 54.3 |
Polarization | Linear/ Circular | Linear |
XPD (on Axis), dB | 35 | 35 | 35 | 35 |
XPD(across 1dB Beam Width), dB | 33 | 33 | 33 | 33 |
Axial Ratio (Circular-Polarized) 2-Port Feed 4-Port Feed | 1.30 1.06 | 1.09 1.06 |
|
|
VSWR | 1.25 | 1.25 | 1.25 | 1.25 |
Antenna Noise Temperature 10° Elevation 30° Elevation 50° Elevation | 2 port feed 34°K 24°K 21°K |
| 2 port feed 52°K 41°K 37°K |
|
-3dB Beam Width, Mid-band | 1.12° | 0.72° | 0.37° | 0.33° |
Typical G/T ( El＞10° ) | 25.9dB/°K ( 30° LNA ) |
| 32.3dB/°K ( 70° LNA ) |
|
Tx. Power Capability, KW |
| 5 |
| 2 |
Feed Interface | CPR-229G | CPR-137G | WR-75 | WR-75 |
Feed Insertion Loss | 0.25 | 0.2 | 0.25 | 0.25 |
Isolation, Tx to Rx, dB | 90 | 85 |
First Sidelobe 90% Peaks under Following Envelop | -14 29-25logθ(1°≤θ＜20° ) | -14 29-25logθ (1°≤θ＜20° ) |
MECHANICAL SPECIFICATION
Antenna Diameter | 4.5 m |
Antenna Type | Dual Reflector Modified Gregorian |
Mount Type | El. over Az. |
Surface Accuracy (RMS) | ≤ 0.5mm |
Antenna Pointing Range Azimuth Elevation Polarization | ±90 °, ±60 °(Continuous) 0°～90°(Continuous) 180°(Continuous) |
Drive Mode | Manual or Motorized |
Motor Drive System Azimuth Travel Rate Elevation Travel Rate Polarization | 0.11 °/S (0.06 °/S) 0.17 °/S (0.08 °/S) 1°/S |
ENVIRONMENTAL SPECIFICATION
Operational Wind | 72km/h Gusting to 97km/h |
Survival Wind | 216km/h |
Temperature | -40°C ～ + 60°C |
Relative Humidity | 100% |
Solar Radiation | 1135Kcal/ h/ m2 |
Seismic (Survival) | 0.3g (H), 0.15g (V) |
Ice Loading | 13mm Operational; 25mm Survival |
GS4.5M VSAT spec.pdf
