|
RF specifications
|
Model
|
NS-SECK-450
|
|
Working frequency, GHz
|
Receive
|
Transmit
|
|
17.7～21.2
|
27.5～31
|
|
Antenna gain dBi
|
57.13@20.0GHz (2 port)
57.26@20.0GHz (4 port)
|
60.65@30.0GHz ( 2port)
60.78@30.0GHz (4 port)
|
|
Polarization
|
Linear, 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
|
CPR-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
|
-30℃～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
|
|
