4.5m Professional Fixed Earth Station Antenna

4.5m Professional Fixed Earth Station Antenna
Product Details

Characteristics:

Conform to the CCIR580-4 standards and INTELSAT access requirements;

Ring focus antenna

High gain, Low sidelobe, high G/T value

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

Optional C band with 870 MHZ bandwidth

Ku-band 2-ports or 4 ports Linear/Circular feed optional;

Accessories:

Ground plot, foundation template, the anchor bolt;

Optional:

Deicing equipment, electric equipment, antenna controller, antenna drive, drive motor, limit switch, step autotracking, cable, connector, electric polarization, moving foundation, lightning rod and wire, LNB;

ELECTRICAL SPECIFICATIONS

 

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 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:hot dip galvanisation

Aluminum parts:spray paint

Solar Radiation

1135Kcal/h/m²


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