1.8m Offset Ka Band Satellite Communication Antenna

Product Description

Characteristics: Meets or exceeds CCIR 580 and INTELSAT requirements Offset designed; High gain, Low sidelobe, High G/T rate; Linear or circular polarization optional; Reasonable structure and easy operation. Standard configuration Main reflector, back support frame, kingpost, feed and feed support, solid wretch, foundation template and standard component.
Optional
BUC, LNB, Modem, spectrum analyzer, moving foundation, BUC fix bracket, lightning protection device, installation tools, cable and connector.
RF specifications

Model	NS-SECK-180
Operating Frequency GHz	Ka band
	Receive	Transmit
	17.7~21.2	27.5~31
Antenna gain dBi	49.28@19.95GHz	52.75@29.75GHz
Polarization	Linear, circular
XPD dB(linear)	≥35	≥35
Axial Ratio(2 port, circular)	1.5	1.5
VSWR	1.25	1.25
Noise temperature EL : 10° 30° 50°	126 K 85 K 80 K	/
-3dB beam width	0.564°	0.378°
Feed insertion loss, dB	0.6	0.6
Power capacity, KW	/	2
Interface	WR-42	WR-28
Rx-Tx isolation, dB	85
First sidelobe, dB Far sidelobes, dBi	-14 29 - 25 logθ(1°≤θ<20°)

Mechanical specifications

Antenna diameter	1.8m
Antenna type	Offset, single piece panel
Antenna mount type	EL over AZ
RMS	≤0.3mm
Antenna weight(N.W)	75 kg
Antenna travel range AZ EL Pol	0°~360° 0°~90° ±90°
Antenna drive mode	Manual

Environment specifications

Working wind speed	72 km/h
Without damage	216 km/h
Working temperature	-40ºC~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

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