3.7m Ka Band Antenna

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

China Starwin 3.7m Ka Band Antenna







General Description of 3.7m Ka band antenna

China Starwin 3.7m Ka band ring focus antenna is designed for Ka band transmit and receive operation.

● The precision aluminum reflector is constructed with stretch formed double coated 12 panels, strong back structures and hub, free of 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.

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


Key features


* Meets or exceeds CCIR 580 and INTELSAT Requirements

* Motorized and tracking available

* Precision compression molded ring focus reflector

* CP/LP switchable feed

* 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

3.7m-4.JPG3.7m-2.JPG

Electrical Specification

Type

KA-370A

Operating Frequency, GHz

KA-Band

Receive

Transmit

17.7~21.2

27.1~31

Gain, Mid-band, dBi

57.34

61.3

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

0.27°

0.17°

Typical G/T

≥32dB/K at 20°elevation

Tx. Power Capability, KW

1

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

3.7m

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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