| Model: | NS-SEC-450 |
|---|---|
| Brand: | Newstar |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Telecommunication & Broadcasting / Other Communication Equipment |
| Label: | earth station antenn , communication antenn , Rx/Tx antenna |
| Price: |
-
|
| Min. Order: | 1 pc |
| Last Online:08 Apr, 2020 |
4.5 meter earth station antenna
Characteristics:
1.Conform to the CCIR580-4 standards and INTELSAT access requirements;
2.Ring focus antenna;
3.High gain, Low sidelobe, high G/T value;
4.Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;
5.Optional C band with 870 MHZ bandwidth;
6.2 Port or 4 Port Linear/Circular feed optional;
7.Automatic feed switching system for Linear and circular polarization;
8.Antenna azimuth ±65° continuous rotation
Electrical Specfications:
|
Type |
NS-SEC-450 |
NS-SEC-450KU |
||
|
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 |
44 |
47.3 |
53.2 |
54.3 |
|
Polarization |
Linear or Circular |
Linear |
||
|
XPD(on axis),dB |
35 |
35 |
35 |
35 |
|
Axial Ratio(2 port) |
1.30 |
1.09 |
/ |
/ |
|
Axial Ratio(4 port) |
1.06 |
1.06 |
/ |
/ |
|
VSWR |
1.25:1 |
1.25:1 |
1.25:1 |
1.25:1 |
|
Antenna Noise Temperature 10°Elevation 30°Elevation 50°Elevation |
34°K 22°K 21°K |
/ |
51°K 41°K 38°K |
/ |
|
Typical G/T ( El.>10°) |
25.9 dB/°K (30°L N A ) |
/ |
32.3 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 90% Peaks under Following envelop |
-14 29 - 25 logθ(1°≤θ<20°) |
-14 29 - 25 logθ(1°≤θ<20°) |
||
Mechanical Specfications;
|
Antenna Diameter |
4.5m |
|
Antenna Type |
Ring Focus |
|
Mount Type |
El. Over Az. |
|
Surface Accuracy(RMS) |
≤0.5 mm |
|
Weight(Net) |
988 kg |
|
Antenna Pointing Range(Continuous) Azimuth Elevation Polarization |
±65°(Continuous) 0°~90°(Continuous) ±90°(Continuous) |
|
Drive Mode |
Manual or Motorized |
|
Motor Drive System Azimuth Travel Rate Elevation Travel Rate Polarization speed |
0.11°/S 0.17°/S 1°/S |
Environmental Specfications:
|
Wind speed of work |
72kmph work wind speed(Hold the precision ) 97kmph work wind speed(Lower the precision ) 200kmph Survival Winds(Upturned lock) |
|
Ice Load, Survival |
13mm Wrapped ice normal work 25mm Wrapped ice survival |
|
Temperature |
-30°C~50°C |
|
Relative Humidity |
100% |
|
Surface treatment |
Steel parts: thermal-spraying zinc Aluminum parts:spray paint |
|
Solar Radiation |
1135Kcal/h/m2
|
Our website: www.shxnewstar.com.
