1.8m Ka Band Antenna

1. Precision compression molded ring focus antenna
2. CP/LP feed available
3. Hot dip zinc steel pedestal, hub & back struts
4. Galvanized stainless steel fasteners
5. Strong structure and high wind resistance
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Product Details

China Starwin 1.8m Ka Band Antenna


General Description of 1.8m Ka band antenna

China Starwin 1.8m Ka band ring focus antenna is designed for Ka band transmit and receive operation.

● The precision high quality aluminum reflector constructed with stretch formed double coated 4 panels, strong back structures and hub, no field alignment.

● The standard designed azimuth over elevation king post pedestal provides a cost-effective solution for ground or roof installation with high stiffness and stability, wide Az&El moving range and fine drive performance, ensure the pointing and tracking accuracy.

● Equipped with special designed wide Ka band feed assemblies.

● Also supply limit switches, foundation hardware kit and required packing.


Key features

* Meets or exceeds CCIR 580 and INTELSAT Requirements

* Precision compression molded ring focus antenna

* CP/LP feed available

* Hot dip zinc steel pedestal, hub & back struts

* Galvanized stainless steel fasteners

* Strong structure and high wind resistance


Options

* Motorization kits

* Controller and tracking receiver

* 2 ports/ 4 ports linear/ circular polarized feeds

* Feed blower or deicing with automatic controls

* Lightning Rod Kits

* Non-penetrating mount (NPM)

* Integrated LNB or LNA systems

* HPAs, converters and M&C systems

* Turnkey installation & testing

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Electrical Specification

Type

KA-180A

Operating Frequency, GHz

KA-Band

Receive

Transmit

17.7~21.2

27.1~31

Gain, Mid-band, dBi

50.7

54.1

Polarization

LHCP/RHCP

XPD(on Axis), dB

35

35

XPD across 1dB Beam Width, dB

30

30

VSWR

1.25:1

1.25:1

Antenna Noise Temperature 2-port feed

10° Elevation

30° Elevation

50° Elevation



65K

55K

50K

-3 dB Beam Width, Mid-band

0.54°

0.36°

Typical G/T

≥32dB/K at 20°elevation

Tx. Power Capability, KW

0.5

Feed Interface

WR-42

WR-34

Feed Insertion Loss, dB

≤0.4

≤0.3

Isolation, Tx to Rx, dB

85

First Sidelobe

90% Peaks under Following Envelop

-14

29-25lgθ (1°≤θ≤20°)

Mechanical Specification

Antenna Diameter

1.8m

Antenna Type

Ring Focus

Surface Accuracy(RMS)

≤0.3 mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

0°~360°

0°~90° (Continuous)

±90°(Continuous)

Drive Mode

Manual or Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

0.11° /s ( 0.06° /s)

0.17° /s ( 0.08° /s°)

Environmental Specification

Operational Wind

79km/h gusting to 97km/h

Survival Wind

200km/h

Temperature

- 20°C ~+ 48°C

Relative Humidity

100%


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