4.5m DBS Band Satellite Vsat Antenna

• Customization: Available
• Frequency Range: DBS
• Material: Al Alloy
• Nature of Operation: Receiving Antenna, Transmitting Antenna
• Operating Wavelength: Microwave
• Usage Occasion: Satellite Communication
• VSWR: <1.5
• Antenna Diameter: 4.5m
• Antenna Type: Ring Focus
• Operating Frequency: DBS Band
• Drive Mode: Motorized
• Usage: Communication Antenna
• Transport Package: Export Wooden Case Reinforced with Steel Frame
• Specification: ISO9001
• Trademark: Newstar
• Origin: Xi′an, China
• HS Code: 8517707090
• Production Capacity: 80sets Per Year

Product Description

Characteristics:

Meets or exceeds CCIR 580 and INTELSAT requirements

Ring focus designed;

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

Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;

Dual linear/circular polarization optional;

2-port and 4-port linear/ circular optional;

Reasonable structure and easy operation.
Standard configuration
Main reflector, subreflector, subreflector support, back support frame, kingpost, feed, antenna AZ/EL drive system, foundation drawing, foundation template and standard component.
Optional
BUC, LNB, Modem, spectrum analyzer, de-icing equipment, BUC fix bracket, motorized polarization, 4-port feed, lightning protection device, waveguide inflator, installation tools, cable and connector.

RF SPECIFICATIONS	NS-SEC(X)-450		NS-SE(Ka)-450			NS-SE(DBS)-450
Frequency	7.25-7.75GHz	7.9-8.4 GHz	17.7~21.2GHz		27.5~31GHz	10.7-12.75GHz	17.3-18.4GHz
Gain,mid-band	48.74 dBi	49.57 dBi	57.49 dBi		61.16dBi	53.53 dBi	56.70 dBi
Polarization	Circular/Linear		Circular/Linear			Circular/Linear
Cross-pol  on Axis	≥30dB                                                                                         /
VSWR	1.3:1	1.3:1	1.35:1		1.35:1	1.3:1
Axial ratio 2 port	≤1.3dB	≤1.3dB	≤1.5dB		≤1.5dB	≤1.3 dB	≤1.5 dB
Axial ratio 4 port	/	/	≤1.0dB		≤1.0dB	0.75 dB	1.0 dB
Feed insertion loss	≤0.3dB	≤0.3dB	≤0.5dB		≤0.6dB	0.3dB	0.5dB

Antenna Noise Temperature
10°Elevation	36 K		125.94 KK			63.2 K
20°Elevation	27K	/	87.35K		/	53.23K	/
40°Elevation	24 K		72.93K			44.92K
-3dB Beam width	0.6°	0.55°	0.23°		0.15°	0.35°	0.24°
Power capacity	/	2KW	/		2KW	/	2KW
Feed interface	WR112	WR112	WR-42		WR-28	WR-75	WR-51
Isolation, Rx to Tx,	≥85 dB		≥85 dB			≥85 dB
First Sidelobe	≤-14dB		≤-14dB			≤-14dB
90% Peaks under Following envelop	29 - 25 logθ(1°≤θ<20°)		29 - 25 logθ(1°≤θ<20°)			29 - 25 logθ(1°≤θ<20°)
MECHANICAL SPECIFICATIONS
Antenna Diameter	4.5m
Antenna travel range	AZ			5°~355°(continuous)/±80°
	EL			5°~90°
	Pol			±90°
Antenna Type	Ring focus
Structure	LMC/FMC
Drive Mode	Manual/Motorized
Surface accuracy(R.M.S)	≤0.5mm(X)
	≤0.3mm(Ka/DBS)
ENVIRONMENT SPECIFICATIONS
Working wind speed	72km/h
Suvival wind speed	216km/h
Humidity	100%
Ice load	Icing 13mm: normal work
	Icing 25mm, no damage
Temperature	-30~50ºC
Seismic capacity	Horizontal: 0.3G;  vertical: 0.1G
Working wind speed	72km/h