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4.5m Fixed Earth Station Antenna
model:
- Commodity name： 4.5m Fixed Earth Station Antenna
- Product Description
-
Overview
The JP-A4.5M-C/Ku is a 4.5-meter ring-focus satellite communication antenna with an A-E pedestal, supporting dual-band (C/Ku) transmission and reception. It complies with GB/T19001-2008, GJB9001B-2009, and ITU-T/ITU-R technical standards.
Technical Features
- High-Efficiency Dual-Reflector Design
Features a shaped dual-reflector system for superior electrical performance, including high gain, low sidelobes, and excellent cross-polarization isolation.
- Robust structural Engineering
Optimized for aesthetics, rigidity, and ease of installation, with exceptional wind resistance.
- Advanced Anti-Corrosion Protection
Reflector panels coated with triple-proof strontium yellow primer and polyurethane topcoat.
Steel components undergo sandblasting, zinc spraying, and dual-layer coating (strontium yellow primer + polyurethane) for maximum durability.
Performance Specifications
Parameter
JP-A4.5M-C
JP-A4.6M-Ku
C-Rx
C-Tx
Ku-Rx
Ku-Tx
Electrical Performance
Frequency (GHz)
3.40-4.20
5.85-6.65
10.95-12.75
13.75-14.50
Gain(dBi)
≥43.5 + 20lg(f/4)
≥47.0 + 20lg(f/6)
≥52.8 + 20lg(f/12)
≥54.1 + 20lg(f/14)
VSWR
≤1.25:1
≤1.25:1
≤1.25:1
≤1.25:1
Beamwidth
(-3dB)≤1.18°
≤0.79°
≤0.39°
≤0.34°
Beamwidth
(-10dB)≤2.17°
≤1.45°
≤0.73°
≤0.63°
Noise Temperature (K)
2/4 ports
2/4 ports
10° Elevation
≤48/50
≤58/69
20° Elevation
≤40/45
≤51/60
30° Elevation
≤38/40
≤49/58
Power Capacity(kW)
5
1
Interface Type
CPR-229G
CPR-159G/137G
WR-75
Polarization
Linear/Circular
Linear
Insertion Loss (dB)
≤0.3/0.4
≤0.3/0.4
≤0.35/0.5
≤0.35/0.5Port Isolation (dB)
Rx-Tx
≥85
≥85
Linear
(Rx-Rx, Tx-Tx)≥30
≥30
≥30
≥30
Circular
(Rx-Rx, Tx-Tx)≥21
≥21
Cross-Pol Isolation
(Axial, Linear)≥35
≥35
≥35
≥35
Axial Ratio (dB)
≤0.9/0.5
≤0.9/0.5
First Sidelobe (dB)
≤–14
≤–14
≤–14
≤–14
Sidelobe Envelope (90%)
Upper Sidelobe Compliance32–25lg (θ) dBi 100θ/D≤θ≤30°
29–25lg (θ) dBi
1°≤θ≤20°–10dBi θ>48°
–3.5dBi
20°≤θ≤26.3°32–25lg (θ) dBi
26.3°≤θ≤48°–10 dBi
θ>48°
Mechanical Performance
Azimuth Range
±65°
Continuous rotation within two zones
Elevation Range
5°–90°
Continuous
Polarization Rotation
±90°
Surface Accuracy
≤0.5 mm (R.M.S)
Surface Coating
Reflector: Anti-corrosion primer + polyurethane topcoat
Steel: Sandblasting + zinc spray + primer/polyurethaneOptional coatings for steel
Weight
1100 kg
Environmental Ratings
Operational Wind Speed
20.8 m/s (full precision)
28.4 m/s (reduced precision)Stowed wind speed
35 m/s
Survival wind speed
55 m/s
Locked zenith position
Temperature
–40°C to +60°C(outdoor)
–20°C to +55°C (indoor)Humidity
0%–100%
Seismic (Survival)
0.3 G (horizontal)
0.15 G (vertical)Solar Radiation
360 BTU/h/ft²
Ice Load
3 cm
Keywords:
4.5m C/Ku-band Satellite Antenna
Dual-Band Ring-Focus Earth Station
JP-A4.5M-C/Ku Fixed VSAT Antenna
High-Gain Parabolic Reflector (4.5m)
AE Mount Satellite Communication Antenna
Get Quote
laicaieven@gmail.com
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516, 5th Floor, Building 4, No. 7 Guangyang New Road, Fangshan District, Beijing
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