3.7m Ka Band Satellite Rx/Tx Antenna, ka band antenna for communiations

3.7m Ka Band Satellite Rx/Tx Antenna, ka band antenna for communiations
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Product Details

3.7m Ka Band Satellite Rx/Tx Antenna, ka band antenna for communiations     

The antenna can be used in synchronous orbit satellite communications, data transmission, microwave radio relay communication and satellite TV receiving for receiving and transmitting. The antenna performance complies with antenna requirements of satellite earth station stipulated by CCIR-580.

Electrical Specification

Type

KA-370A

Operating Frequency, GHz

KA-Band

Receive

Transmit

17.721.2

27.131

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

Cassegrain

Surface Accuracy(RMS)

≤0.3 mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

±85°

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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