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Help CenterX Band Feed LNB Waveguide Feed Horn Assembly With OMT GARDINER GWR90G WR90
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X-Band LNB Feed High Performance LNB Feed Horn Datasheet
1. Executive Overview
Engineered for premium satellite receiving systems, this WR90 X-band precision feed horn is optimized for prime-focus parabolic antennas and offset reflector antennas. Adopting aerospace-grade electroplating process and compact radiation profiling design, it delivers ultra-low RF insertion loss, superior port isolation, ultra-low standing wave impedance matching, and outstanding anti-electromagnetic interference capability. Tailored for professional ground station, defense satellite communication, meteorological monitoring and enterprise VSAT network deployment, it ensures full-band stable signal coupling and long-duration outdoor operational reliability.
2. Fundamental Electrical & Mechanical Specifications
Technical Item |
Premium Specification |
Engineering Remark |
Waveguide Standard |
WR90 |
International standardized rectangular waveguide |
Flange Interface |
PDR90 / UG-407/U |
High-precision bolted flange, seamless docking |
Cut-off Frequency |
7.05 GHz |
Exclusive X-band passband design |
Operational Frequency Band |
7.25 GHz ~ 8.40 GHz (X-Band Downlink) |
Full coverage for global geostationary X-band satellite downlink |
Polarization Configuration |
Single Linear / Orthogonal Dual Linear Polarization |
Custom polarization angle available on request |
Compatible Antenna Aperture |
Offset Dish: 0.6m - 2.4mPrime Focus Parabolic Dish: 1.2m - 6.0m |
Optimized illumination pattern for full-range reflector matching |
3. Core Premium RF Performance Metrics
RF Parameter |
Typical Premium Value |
Absolute Maximum Limit |
Performance Value |
Insertion Loss (Full Band) |
≤0.22 dB |
≤0.30 dB |
Minimize signal attenuation, upgrade system C/N ratio, lower receiver noise floor |
VSWR (Waveguide Terminal) |
≤1.12 |
≤1.18 |
Ultra-high impedance matching, eliminate standing wave reflection, avoid LNB local oscillator loss-of-lock |
VSWR (LNB Coupling Port) |
≤1.15 |
≤1.20 |
Flat gain response, zero signal amplitude fluctuation under full-band operation |
Orthogonal Polarization Isolation |
≥32 dB Full Band |
≥28 dB Minimum |
Powerful suppression of horizontal & vertical polarization crosstalk, reduce system BER drastically |
Cross Polarization Discrimination (XPD) |
≥28 dB |
≥25 dB |
Strong anti-adjacent frequency interference, adapt complex electromagnetic site environment |
Aperture Illumination Efficiency |
≥86% |
≥82% |
Maximize reflector gain utilization, optimize edge taper performance |
Additional Noise Contribution |
≤0.15 dB |
≤0.20 dB |
No degradation on original LNB noise figure, maintain receiving sensitivity |
RF Power Handling Capacity |
Continuous: 50W / Peak: 180W |
— |
High power endurance, fit long-term uninterrupted professional station operation |
4. Material & Environmental Reliability Grade
• Aerospace Grade Material: Oxygen-free copper integral cavity, inner wall thick silver-gold composite electroplating, anti-oxidation, ultra-low high-frequency skin effect loss
• Ingress Protection Level: IP67 Full waterproof & dustproof
• Operational Ambient Temperature: -45℃ ~ +70℃
• Storage Temperature Range: -55℃ ~ +75℃
• Structural Design: Integrated pressure-resistant sealing structure, anti-condensation, anti-salt fog, anti-corrosion for coastal & industrial harsh sites
5. Antenna Matching Principle
5.1 Offset Reflector Antenna
Custom offset focal beam profiling design, zero reflector shielding loss. Matched with medium-small caliber offset antennas, applied for rooftop fixed terminals, shipborne vehicular mobile satellite receiving terminals, compact outdoor VSAT nodes.
5.2 Prime Focus Parabolic Antenna
Uniform central focal radiation, high-gain focused coupling. Compatible with large-caliber ground fixed stations, dedicated meteorological satellite receiving stations, defense encrypted satellite receiving systems.
6. Premium Application Scenarios
6.1 National Meteorological & Hydrological Monitoring
Specialized X-band polar orbit meteorological satellite signal reception, all-weather atmospheric cloud data acquisition, flood warning remote sensing signal demodulation for national monitoring stations.
6.2 Defense & Government Private Satellite Network
Encrypted satellite data transmission, border unattended monitoring links, military shipborne/vehicleborne portable satellite communication terminals, anti-jamming secure receiving system construction.
6.3 Enterprise & Energy Industrial VSAT System
Offshore oil platform, remote mining base, cross-regional enterprise private network satellite backhaul, stable voice, video and industrial data long-distance transmission.
6.4 Professional RF Calibration & Laboratory Testing
Microwave anechoic chamber standard radiation source, X-band antenna pattern/gain calibration, waveguide component and satellite front-end assembly performance verification.
6.5 Emergency Command Satellite Communication
Natural disaster emergency rescue mobile satellite station, regional emergency command wireless link, rapid deployment all-weather emergency communication terminal front-end.
7. Core Competitive Advantages (High-end Market)
1. Industry-leading ultra-low insertion loss ≤0.22dB, reserve full weak satellite signal, excellent link margin under rain fade, sandstorm and high-interference environment
2. Ultra-low VSWR industrial tuning, optimized whole-system impedance matching, realize 24/7 zero-fault stable receiving operation
3. 32dB+ high polarization isolation, independent anti-crosstalk structure design, support multi-polarization concurrent satellite signal reception
4. Standard WR90 universal waveguide interface, full compatibility with global premium X-band LNB modules, plug-and-play installation and replacement
5. IP67 high-grade protection + composite anti-corrosion coating, adapt polar high-cold, coastal salt fog, desert high-temperature extreme outdoor working scenarios
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