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4.5 Meter VSAT Antenna

1. Antenna frequency:C and ku band.
2. Up-link and down-link satellite antenna

4.5 Meter VSAT Antenna Specification

 

C-Band 

Ku-Band

   Receive

   Transmit

     Receive

Transmit

Operation Frequency, GHz

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)

1.30

1.09

 

 

VSWR

1.25

1.25

1.25

1.25

Antenna Noise Temperature

10°Elevation

30°Elevation

50°Elevation

 

34°K

24°K

21°K

 

 

52°K

41°K

37°K

 

-3dB Beam width, Mid-band

1.12°

0.72°

0.37°

0.33°

Typical G/T(EL>10°)

25.6dB/°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

0.2

0.2

0.25

0.2

Isolation, TX to Rx, dB

90

85

First Side lobe

90% Peaks under Following Envelop

-14

29-25logθ(1°≤θ<20°)

-14

29-25logθ(1°≤θ<20°)

MECHANICAL SPECIFICATION

Antenna Diameter

4.5m

Antenna Type

Ring Focus

Mount Type

EL. over AZ.

Surface Accuracy (RMS)

≤0.5mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

 

±90°,±60°(Continuous)

0°~ 90° (Continuous)

360° (Continuous)

Drive Mode

Manual/Motorized