4.5m Ka Band Vsat Satellite Communication Antenna

Factory Price, OEM, ODM

Antenna diameter: 4.5 m

Antenna type: Ring focus

Antenna mount type: EL over AZ

RMS: ≤0.3mm

Antenna weight（N.W）: 1200kg

Antenna travel range:

AZ: 0°～360° EL: 0°～90° Pol: ±90°

Antenna drive mode: Manual or motorized

Rotation speed: Single speed/ dual speed/ Variable speed

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Description

4.5m Ka band VSAT satellite communication antenna characteristics

Meets or exceeds CCIR 580 and INTELSAT requirements

Ring focus designed;

High gain, Low sidelobe, High G/T rate;

Linear or circular polarization optional;

Reasonable structure and easy operation.

4.5m Ka band VSAT satellite communication antenna standard configuration

Main reflector, subreflector, back support frame, kingpost, kingpost support leg, feed and feed support, solid wretch, foundation template and standard component.

4.5m Ka band satellite communication VSAT antenna optional parts

BUC, LNB, Modem, spectrum analyzer, moving foundation, de-icing equipment, BUC fix bracket, servo system, motorized polarization, lightning protection device, installation tools, cable and connector.

4.5m KA vsat antenna

RF specifications

Model	NS-SECK-450
Working frequency, GHz	Receive	Transmit
	17.7～21.2	27.5～31
Antenna gain dBi	57.13@20.0GHz (2 port) 57.26@20.0GHz (4 port)	60.65@30.0GHz ( 2port) 60.78@30.0GHz (4 port)
Polarization	Circular
XPD dB(linear)	35	35
Axial Ratio（2 port, circular）	1.5	1.5
Axial Ratio（4 port, circular）	1.0	1.0
VSWR	1.35	1.35
Noise temperature 10°Elevation 20°Elevation 30°Elevation 50°Elevation	116 K 86K 75 K 70 K
G/T dB/K，10°El	G/T dB/K，10°Elevation	/
-3dB beam width	0.23°	0.15°
Insertion loss, dB	0.6	0.6
Tx power capacity, KW	/	2
Interface	WR-42	WR-28
Tx-Rx isolation, dB	85
First Sidelobe 90% Peaks under Following envelop	-14 29 - 25 logθ（1°≤θ＜20°）

Mechanical specifications

Antenna diameter	4.5 m
Antenna type	Ring focus
Antenna mount type	EL over AZ
RMS	≤0.3mm
Antenna weight（N.W）	1200kg
Antenna travel range AZ EL Pol	0°～360° 0°～90° ±90°°
Antenna drive mode	Manual or motorized
Rotation speed	Single speed/ dual speed/ Variable speed

Environment specifications

Working wind speed	72 km/h
Without damage	216 km/h
Working temperature	-30℃～50℃
Humidity	100%
Solar radiation	1135Kcal/h/m²
Ice load	Work normally: 13mm ; without damage: 25mm
Seismic capacity	Horizontal: 0.3G; vertical: 0.1G
Surface treatment	Steel parts: hot dip galvanized; aluminum part: primer paint+surface paint

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