3.7M VSAT Antenna

Electrical Specification  

Type

RS-VS370

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

41.94

45.52

51.24

52.55

Polarization

Linear/Circular

Linear

XPD(on Axis), dB

35

35

35

35

XPD across 1dB Beam Width, dB

33

33

33

33

Axial Ratio

(Circular-Polarized)

2-Port Feed

4-Port Feed

1.30

1.06

1.09

1.06

VSWR

1.25

1.25

1.25

1.25

Antenna Noise Temperature 2-port feed

10° Elevation

30° Elevation

50° Elevation

35K

29K

25K

49K

39K

35K

-3 dB Beam Width, Mid-band

1.31°

0.87°

0.43°

0.38°

Typical G/T(EL>10°)

24dB/K

(30° LNA)

30.6dB/K

(70° LNA)

Tx. Power Capability, KW

5

2

Feed Interface

CPR—229F

CPR—137F

WR-75

WR-75

Feed Insertion Loss,dB

0.2

0.2

0.25

0.25

Isolation, Tx to Rx, dB

85

85

First Side lobe

90% Peaks under Following Envelop

-14

29-25logθ(1°≤θ<20°)

-14

29-25logθ(1°≤θ<20°)

Mechanical Specification

Antenna Diameter

3.7m

Antenna Type

Ring Focus

Surface Accuracy(RMS)

≤0.35mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

±85°

0°~90°(Continuous)

±90°(Continuous)

Drive Mode

Manual or Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

0.30°/S(0.06°/S)

0.20°/S(0.04°/S)

Environmental Specification

Operational Wind

72km/h gusting to 97km/h

Survival Wind

200km/h

Temperature

-40°~+60°

Relative Humidity

100%

Solar Radiation

1135Kcal/h/m²

Seismic(Survival)

0.3g(H), 0.15g(V)