4.5m Earth Station TV Antenna

4.5m Earth Station TV Antenna
Product Details

Characteristics:

● High gain, low sidelobe, high polarization identification rate;

● High precision reflection panel;

● Cassegrain, feedforward optional;

● C-Band and Ku-Band optional;

● Modern design,convenient and fast  installation&adjustment,strong anticorrosion , good stability;


Accessories:

Ground plot, foundation template, the anchor bolt;

Optional:

Deicing equipment, electric equipment, antenna controller, antenna driveunit, drive motor, limit switch, step autotracking, cable, connector, electric polarization, moving foundation, lightning rod and wire, LNB;

PERFORMANCE SPECIFICATIONS

Type

NS-SEC-R450

Band

C-Band                     

KU-band

Operating Frequency,GHz

3.625~4.2

10.95~12.75

Gain, Mid-Band, dBi

≥43.2+20lg(f/3.95)

≥53.59+20lg(f/12.5)

Cross Pol differentiate,dB

≥25

≥30

VSWR

1.25:1

1.25:1

-3dB Beamwidth, Mid-Band

1.137°

0.381°

Feed interface

WR229G

WR75

General Sidelobe Envelope,dBi

52-10logθ(D/∧)-25logθ



MECHANICAL SPECIFICATIONS

Antenna Diameter

4.5m

Antenna Type

Cassegrain, Feedforward

Weight(Net)

988Kg (Manual)1243Kg (Motorized)

Antenna Kingpost

El. Over Az.

Azimuth Travel

±90°(Manual)±85°(Motorized)

Elevation Travel

0°to 90°

Drive Mode

Manual or Motorized


ENVIRONMENTAL SPECIFICATIONS

Wind speed of work

72kmph work wind speed(Hold the precision )

97kmph work wind speed(Lower the precision )  

200kmph Survival Winds(Upturned lock)

Surface treatment

Steel parts: thermal-spraying zinc 

Aluminum parts:spray paint 


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