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4.5m antenna Description


4.5m C/KU band vsat anetenna, which uses a shaped parabolic reflector, provides high gain and exceptional pattern characteristics as well as low VSWR. The panels of 4.5m C/KU band vsat anetenna are made of stretch-formed aluminum sheet and riveted on the precise mould; such structure has the characteristics of higher accuracy and strong rigidity. Our earth station antenna systems are available for a wide range of applications including wireless telecommunication service providers, Internet service provider, system operators and broadcasters throughout the world.

4.5m antenna Features


Altenative frequency band, C-band and ku-band

Available customer service

Provide 2 port and 4 port as option

Self-aligning, Stretch-formed aluminum reflector panel

Choosing fixed or motorized pedestal depends on your requirement

Electrical performance is superior

We can provide linear and circular polarized feed system

Guaranteed high-qualified antenna structure

Hot-dip Galvanized structural steel

4.5m antenna Technical Specifications


4.5m antenna ELECTRICAL SPECIFICATION

Diameter

4.5M

Operating Frequency, GHz

C-Band

Ku-Band

Receive

Transmit

Receive

Transmit

3.6254.2

5.856.425

10.9512.75

14.014.5

Gain, Mid-band, dBi

43.64

47.22

53.4

54.33

Feed Insertion Loss, dB

0.15

0.2

0.25

0.25

Radiation Pattern:First Sidelobe

CCIR.580-4

XPD across 1dB Beam Width, dB for LP

33

33

33

33

Tx. Power Capability, KW


5


2

Isolation, Tx to Rx, dB

85

Antenna Noise Temperature, 2-port feed

10° Elevation

20° Elevation

40° Elevation


36°K

27°K

24°K



60°K

50°K

44°K


Feed Interface

CPR-229G

CPR-159G/137G

WR-75

WR-75

XPD (on Axis), dB for LP

35

35

35

35

Polarization

Linear/ Circular

Linear

VSWR

1.25:1

1.25:1

1.25:1

1.25:1

Axial Ratio (dB) for CP 2/4 port

1.30/1.06

1.06/1.06



-3dB Beam Width

1.08°

0.715°

0.35°

0.315°


4.5m antenna MECHANICAL SPECIFICATION

Operational Wind

72km/h Gusting to97km/h

Survival Wind

200km/h

Relative Humidity

100%

Temperature

-40°C +60°C

Solar Radiation

1135Kcal/ h/ m2

Seismic (Survival)

0.3g (H),0.15g(V)


4.5m antenna MECHANICAL SPECIFICATION

Antenna Type

Ring Focus Antenna

Antenna Drive

Manual or Motorized drive

Finishes

  Reflector Surface

  Pedestal & Back Structure


Aluminum panels with high-diffusing white paint

Hot dipped Galvanized

Antenna Pedestal Type

Kingpost Pedestal

Azimuth

±85°

Elevation

90°

Surface Accuracy (RMS)

≤ 0.35mm


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