Alignsat 4.5m Ka band antenna

INQUIRY
Description
Description
Alignsat 4.5m Ka band antenna is a high performance antenna designed for Ka-band satellite communications, the antenna includes Feed Horn, Polarizer, OMT and Filter. The antenna is a rugged, commercial quality product suitable for the most demanding applications.
Features
  • 12- pieces precision reflector
  • Precision Az/El Mount, Hot-Dip Galvanized.
  • Casse grain antenna
  • Linear or Circular Polarization
 
Electrical Specification
Type AT-4.5Ka
Electrical Ka-Band Circular Ka-Band Circular Ka-Band Linear
Operating Frequency (GHz)
Receive
Transmit
 
20.20 - 21.20 GHz
30.00 - 31.00 GHz
 
19.40 - 21.20 GHz
29.20 - 31.00 GHz
 
18.70 - 21.20 GHz 27.00 - 31.00 GHz
Midband Gain ( +/- .5 dB)
Receive
Transmit
 
56.7dBi
60.1dBi
 
56.6 dBi
60.0 dBi
 
56.4dBi
59.7dBi
VSWR 1.3:1 max 1.3:1 max 1.5:1 max
Beam width(-3 dB ) Rx: 0.22° Tx: 0.15° Rx: 0.23° Tx: 0.15° Rx: 0.23° Tx: 0.16°
Antenna Noise Temperature
10° Elevation
20° Elevation
40° Elevation
 
142 K
124 K
112 K
 
142 K
124 K
112 K
 
145 K
126 K
109 K
Power Handling 100 W 100 W 100 W
Cross Polarization Isolation
On Axis
Within 1.0 dB Beam width
 
26dB
25dB
 
26dB
25dB
 
35 dB
33 dB
Output Waveguide Interface Flange Rx: WR42 Tx: WR28 Rx: WR42 Tx: WR28 Rx: WR42 Tx: WR28
First Side lobe90%
Peaks under Following Envelop
-14
29-25logθ(1°≤θ20°)
Mechanical Specification
Antenna Diameter 4.5m
Antenna Type Cassegrain
Surface AccuracyRMS ≤0.3mm
Antenna Pointing Range Azimuth
Elevation
Polarization
±85°3 sections
0°~90°(Continuous)
±360°(Continuous)
Drive Mode Manual or Motorized
Antenna reflector Material Aluminum Alloy
Finish of steel parts Hot dipped Zinc
Environmental Specification
Operational Wind 72km/h gusting to 97km/h
Survival Wind 216km/h
Temperature -40°~+60°
Relative Humidity 100%
Solar Radiation 1135Kcal/h/m²
Seismic(Survival) 0.3g(H), 0.15g(V)
Ice Loading 13mm Operational; 25mm Survival