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3.7m c band antenna Description


3.7-meter C/Ku earth station antenna, which uses a shaped parabolic reflector, provides high gain and exceptional pattern characteristics as well as low VSWR. A dual shaped shifted focal axis reflector is so designed for the antenna that the system gets higher gain and lower sidelobes, which meet the requirements of INTELSAT IESS and CCIR Rec.580-4, INMARSAT, ASIASAT, APT and CHINASAT, etc. The main reflector adopts stretch-formed aluminium panels with high accuracy riveted with rings and ribs on the precise mould, ensuring the antenna structure to be simple, reliable and convenient for installation.

3.7m c band antenna Features


You can choose linear or circular polarized feed system according to your requirement

Customer service support is responsive

Superior electrical performance

Aluminum reflector formed with stretch way, using self-aligning

You can choose C-band and Ku-band as you need

Fixed or motorizable pedestals

Stable structure and good anti-rust capacity

3.7m c band antenna Technical specifications


3.7m c band antenna ELECTRICAL SPECIFICATION

Diameter

3.7M

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

41.94

45.52

51.7

52.63

-3dB Beam Width

1.31°

0.87°

0.42°

0.38°

Isolation, Tx to Rx, dB

85

Feed Interface

CPR-229G

CPR-137G

WR-75

WR-75

Feed Insertion Loss, dB

0.2

0.2

0.25

0.25

Polarization

Linear/ Circular

Linear

Tx. Power Capability, KW


5


2

XPD (on Axis), dB

35

33

1.25

35

33

1.25

35

33

1.25

35

33

1.25

XPD across 1Db Beam Width, dB

VSWR

Antenna Noise Temperature, 2-port feed

10° Elevation

20° Elevation

40° Elevation


36°K

30°K

25°K



50°K

44°K

38°K


Radiation Pattern:First Sidelobe

CCIR.580-4


3.7m c band antenna ENVIRONMENTAL SPECIFICATION

Operational Wind

72km/h Gusting to97km/h

Survival Wind

200km/h

Temperature

-40°C +60°C

Relative Humidity

100%

Seismic (Survival)

0.3g (H),0.15g(V)

Solar Radiation

1135Kcal/ h/ m2


3.7m c band antenna MECHANICAL SPECIFICATION

Azimuth

±85° (2 segments)

Elevation

90°(Continuous)

Surface Accuracy (RMS)

≤ 0.35mm

Finishes

 Reflector Surface

 Pedestal & Back Structure


Aluminum panels with high-diffusing white paint

Hot dip Galvanized Zinc


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