4.5m Vast Antenna For Communications

4.5m Vast Antenna For Communications
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Product Details

4.5m c/ku Band Satellite Rx/Tx  Antenna

Characteristics:

1:Meets or exceeds CCIR 580 and INTELSAT requirements

2:Ring Focus antenna;

3:High gain, Low sidelobe, high G/T rate;

4:Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;

5:Optional C band with 870 MHZ bandwidth;

6:2-ports or 4 ports Linear/Circular feed optional;

Accessories:

Ground plot, foundation template, the anchor bolt, electric equipment, antenna controller, antenna drive, drive motor, limit switch, cable, connector, lightning rod and wire;

Optional:

Deicing equipment, ODU support, electric polarization;

ELECTRICAL SPECIFICATIONS

Type

NS-SEC-450

NS-SEC(Ku)-450

 

Operating Frequency,GHz

C-Band

Ku-Band


Receive

Transmit

Receive

Transmit


3.625~4.2

5.85~6.425

10.95~12.75

13.75~14.5

Gain, Mid-Band, dBi

44

47.3

53.2

54.3

Polarization

Linear or Circular

Linear

XPD(on axis),dB

35

35

35

35

Axial Ratio(2 port)  

1.30

1.09

/

/

VSWR

1.25:1

1.25:1

1.25:1

1.25:1

Antenna Noise Temperature

          10°Elevation

            30°Elevation

            50°Elevation

 

34°K

22°K

21°K

 

 

/

 

51°K

41°K

38°K

 

 

/
















Typical G/T ( El.>10°)

25.9 dB/°K

(30°L N A  )

/

32.3 dB/°K

(70°L N A  )

/

-3dB Beam width, Mid-Band

1.05°

0.72°

0.37°

0.33°

Tx. Power Capability, KW

/

5

/

2

Feed interface

CPR-229G

CPR-137G

WR-75

WR-75

Feed Insertion Loss, dB

≤0.2

≤0.2

≤0.2

≤0.25

Rx-Rx, Tx-Tx  Linear, dB

30

30

30

30

Tx-Tx, Rx-Rx  Circular, dB

21

21

/

/

Isolation, Tx to Rx, dB

90

85

First Sidelobe,dB

90% Peaks under Following envelop,dBi

-14

29 - 25 logθ(1°≤θ<20°)

-14

29 - 25 logθ(1°≤θ<20°)

MECHANICAL SPECIFICATIONS

Antenna Diameter

4.5m

Antenna Type

Ring Focus

Mount Type

El. Over Az.

Surface Accuracy(RMS)

≤0.5 mm

Weight(Net)

870kg (Manual);988kg(Motorized)

Antenna Pointing Range(Continuous)

Azimuth

Elevation

Polarization

 

±65°(Continuous)

0°~90°(Continuous)

±90°(Continuous)

Drive Mode

Manual or Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

Polarization speed

 

0.11°/S   

0.17°/S   

1°/S

ENVIRONMENTAL SPECIFICATIONS

Wind speed of work

72kmph work wind speed(Hold the precision )

97kmph work wind speed(Lower the precision )  

200kmph Survival Winds(Upturned lock)

Ice Load, Survival

13mm Wrapped ice normal work

25mm Wrapped ice survival

Temperature

-30℃~50℃

Relative Humidity

100%

Surface treatment

Steel parts: thermal-spraying zinc 

Aluminum parts:spray paint

Solar Radiation

1135Kcal/h/m²

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