4.5m Ground Station Satellite Communication Antenna

Product Description

Characteristics: Conform to the CCIR580-4 standards and INTELSAT access requirements; Ring focus antenna; High gain, Low sidelobe, high G/T value; Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability; Optional C band with 870 MHZ bandwidth; Ku-band 2-ports or 4 ports Linear/Circular feed optional; Accessories:
Ground plot, foundation template, the anchor bolt;
Optional:
Deicing equipment, electric equipment, antenna controller, antenna drive, drive motor, limit switch, step autotracking, cable, connector, electric polarization, activity foundation, lightning rod and wire, high-frequency head.
ELECTRICAL SPECIFICATIONS

Type	NS-SEC-450			NS-SEC(Ku)-450
Operating Frequency,GHz	C-Band			Ku-Band
	Receive	Transmit		Receive	Transmit
	3.625~4.2	5.85~6.425		10.95~12.75	13.75~14.5
Gain, Mid-Band, dBi	43.19@3.8GHz	47.56@6.288GHz		53.06@11.85GHz	54.59@14.125GHz
Polarization	Linear or Circular			Linear
XPD(on axis),dB	35		35	35		35
Axial Ratio(2 port)	1.3		1.09	/		/
VSWR	1.25:1		1.25:1	1.25:1		1.25:1
Antenna Noise Temperature 10°Elevation 30°Elevation 50°Elevation	35°K 24°K 23°K		/	56°K 48°K 44°K		/
Typical G/T ( El.>10°)	25.2 dB/°K (30°L N A )		/	31.64 dB/°K (70°L N A )		/
-3dB Beam width, Mid-Band	1.05°		0.72°	0.37°		0.33°
Tx. Power Capability, KW	/		5	/		2
Feed interface	CPR-229G		CPR-137G	WR-75		WR-75
Feed Insertion Loss, dB	≤0.2		≤0.2	≤0.2		≤0.25
Rx-Rx, Tx-Tx Linear, dB	30		30	30		30
Tx-Tx, Rx-Rx Circular, dB	21		21	/		/
Isolation, Tx to Rx, dB	90			85
First Sidelobe,dB 90% Peaks under Following envelop,dBi	-14 29 - 25 logθ(1°≤θ<20°)			-14 29 - 25 logθ(1°≤θ<20°)

MECHANICAL SPECIFICATIONS

Antenna Diameter	4.5m
Antenna Type	Ring Focus
Mount Type	El. Over Az.
Surface Accuracy(RMS)	≤0.5 mm
Weight(Net)	1200kg(Manual)
Antenna Pointing Range(Continuous) Azimuth Elevation Polarization	360°(Continuous) 5°~90°(Continuous) ±90°(Continuous)
Drive Mode	Manual or Motorized

ENVIRONMENTAL SPECIFICATIONS

Working wind speed	72 km/h
Without damage	216 km/h
Working temperature	-30ºC~60ºC
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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