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
|
≥35
|
≥35
|
|
Axial Ratio（2 port）
|
1.5
|
1.5
|
|
VSWR
|
1.25
|
1.25
|
|
Noise temperature
EL : 10°
30°
50°
|
130 K
86 K
81 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°
5°～90°
±90°
|
|
Antenna drive mode
|
Manual
|
Environment specifications
|
Working wind speed
|
72 km/h
|
|
Without damage
|
216 km/h
|
|
Working temperature
|
-40℃～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 pain
|
