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Reliable and Cost Effective 4.5 Meter Earth Station Antenna

2019-05-09

Probecom 4.5m antenna-封面 - 副本_副本1_副本Looking for 4.5m Satellite antenna?

Which band do you want? C, KU, DBS, KA, L, S, X?  Yes, we have them all!

 

The probecom 4.5-meter antenna delivers exceptional performance for transmit/receive and receive only applications for L through Ka-band frequencies. This antenna offers a reflector design that incorporates precision-formed panels, truss radials and hub assembly using matched tooling for interchangeable components. It features an innovative Cassegrain or Ring Focus feed and sub-reflector design which results in high gain, low noise temperature, high antenna efficiency and excellent rejection of noise and microwave interference. A large center hub provides spacious accommodation for equipment mounting. The reflector is supported by a galvanized elevation over azimuth kingpost pedestal that provides the required stiffness for pointing and tracking accuracy. The pedestals are designed for full orbital arc coverage and are readily adaptable to ground or rooftop installations.

 

Highlighted Features

*Meets CCIR 580 and INTELSAT Requirements

*Precisely adjusted before leaving factory, and no need theodolite to adjust the panel accuracy;

*High precision alloy aluminum main reflector.

*Hot spray galvanized with white paint

*CP/LP switchable feed

*High RF performance          

*Galvanized stainless steel hardware           

*Different frequency ranges from many feed configurations

*Ka band antenna with rotary pedestal is available

*A large hub for install RF equipments

*Multi-layer anti-corrosion treatment.

 

Options

*L,S, X ,Ka bands and multi-bands

*Customer feed system design

*800MHz Extended C band is available

*Full motion antenna

*Feed blower or deicing sub-systerm with automatic controls

*Two or four Tx/Rx port in linear or circular polarized feeds 

*Antenna control system with tracking

*ODU Support Kits 

*Increase the surface spray zinc thickness along seaside

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Technical Specification

Electrical Specification

Type

C45T

EC45T

IC45T

K45T

DBS45T

Operating Frequency, GHz

Standard C band

Extended C band

Insat C band

Ku Band

DBS Band

Receive

Transmit

Receive

Transmit

Receive

Transmit

Receive

Transmit

Receive

Transmit

3.625~4.2

5.85~6.425

3.4~4.2

5.85~6.725

4.5~4.8

6.725~7.025

10.70~12.75

13.75~14.5

10.70~12.75

17.3-18.4

Gain, Mid-band, dBi

43.4

47.3

43.2

47.6

44.9

48.3

53

54.6

53

56.6

Polarization

Linear/Circular

Linear/ Circular

Linear/ Circular

Linear

Linear

XPD(on Axis), dB( Linear)

35

35

35

35

35

35

35

35

35

35

XPD across 1dB Beam Width, dB( Linear)

30

30

30

30

30

30

30

30

30

30

Axis Ratio, dB (circular)

2

0.75

2

0.75

2

0.75

/

/

/

/

VSWR

1.3

1.3

1.3

1.3

1.3

1.3

1.3

1.3

1.3

1.3

Antenna Noise Temperature (2 Port Feed)

10° Elevation

34K

34K

36K

52K

52K

30° Elevation

24K

25K

27K

41K

41K

50° Elevation

21K

22K

24K

37K

37K

-3 dB Beam Width, Mid-band

1.2°

0.8°

1.2°

0.7°

1.0°

0.7°

0.4°

0.3°

0.4°

0.3°

Typical G/TEL=10°

25.8dB/K

24.8dB/K

26.4dB/K

31.8dB/K

31.8dB/K

(30K LNA)

(30K LNA)

(30K LNA)

(70K LNA)

(70° LNA)

Tx. Power Capability, KW

1

1

1

1

1

Feed Interface

CPR-229F

CPR-137F

CPR-229F

CPR-137F

CPR-229F

CPR-137F

WR-75

WR-75

WR-75

WR-45

Feed Insertion Loss,dB

0.3

0.25

0.3

0.25

0.3

0.25

0.3

0.25

0.3

0.25

Isolation, Tx to Rx, dB

85

85

85

85

85

 

Sidelobe

CCIR 580-5

Mechanical Specification

Antenna Diameter

4.5m

Antenna Type

Ring Focus

Surface AccuracyRMS

≤0.35mm

Reflector Construction

12 precision-formed aluminum panels with heat-diffusing white paint, Hot spray galvanized back structure.

Mount type

Kingpost pedestal

Turn table

Antenna Pointing Range

Azimuth

±85°(11 sections)

0°~355°(Continuous)

Elevation

0°~90°(Continuous)

0°~90°(Continuous)

Polarization

±90°(Continuous)

±90°(Continuous)

Drive Mode

Manunal/Motorized

Motor Drive System

Azimuth Travel Rate

0.023°/S

0.003°-0.3°/S

Elevation Travel Rate

0.021°/S

0.003°-0.3°/S

Polarization  Travel Rate

1°/S

1°/S

Environmental Specification

Operational Wind

79km/h gusting to 126km/h

Survival Wind

200km/h(at zenith)

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

Should you have any requirement please feel free to contact: sales@probecom.cn or follow us at our SNS links:

1、 LinkedIn: https://www.linkedin.com/in/probecom1/
2、 Face book: https://www.facebook.com/probecom.dish.antenna/
3、 Twitter: https://twitter.com/probecom_tweet
4、 E-mail address: sales@probecom.cn
5、 Website: www.probecom.cn or www.probecom.com

 

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