China 4.5m Ka Band Rxtx Satellite Antenna (Turntable structure)

• Customization: Available
• Antenna Diameter: 4.5m
• Antenna Type: Ring Focus
• Model NO.: NS-SECK-450
• Function: Uplink and Downlink
• Polarization: Circular
• Drive Mode: Manual or Motorized
• Certified: ISO9001
• Usage: Communication Antenna
• Operating Wavelength: Microwave
• Material: Al
• Usage Occasion: Satellite Communication
• Transport Package: Export Wooden Case Fixed with Steel Frame
• Specification: ISO9001
• Trademark: Newstar
• Origin: Xi′an, China
• HS Code: 8517707090
• Production Capacity: 30sets Per Month

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;

Linear or circular polarization optional;

Reasonable structure and easy operation.
Standard configuration:
Main reflector, subreflector, subreflector support, back support frame, kingpost, feed, solid wretch, foundation template and standard component.
Optional:
BUC, LNB, Modem, spectrum analyzer, moving foundation, de-icing equipment, BUC fix bracket, servo control system, motorized polarization, 4-port feed, lightning protection device, installation tools, cable and connector.
RF specifications

Model	NS-SECK-450
Working frequency, GHz	Receive	Transmit
	17.7~21.2	27.5~31
Antenna gain dBi	[email protected] (2 port) [email protected] (4 port)	[email protected] ( 2port) [email protected] (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)	1200
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	-30ºC~50ºC
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