3.7M Satellite communication antenna

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Starwin 3.7m antenna delivers exceptional high performance for transmit/receive application in C ,Ku, ka, X band in Tx/Rx 2 port or Rx 1 port with high gain ,low noise and low microwave interference. Starwin 3.7m antenna offers a fine reflector design with a stretch formed double contoured panels, strong back struts and hub fore ease of field alignment. The standard designed azimuth over elevation pedestal provides a cost-effective solution for ground or roof installation with high stiffness and stability , full orbital arc coverage and fine drive performance, and ensures the pointing and tracking accuracy . The electrical performance is compliant with FCC and ITU-RS-580 sidelobe specifications and Intelsat ,Eutelsat, INMARSAT, ASIASAT,APT and CHINASAT, etc requirement. Key features *Meets or exceeds CCIR 580 and INTELSAT Requirements *High G/T, excellent pattern characteristic * Precision compression molded offset antenna *CP/LP switchable feed * Hot dip zinc steel pedestal, hub & back struts *Galvanized stainless steel fasteners * Foundation hardware kit provided * Package suitable for air, ocean land transportation Antenna Accessory *Limit Switches *Foundation hardware Kit *Grounding Kits Cable –Mounting kits *Cable mounting kits *ODU Support Kits *Factory Feed System Testing and Documentation *Ocean /Air/land Transport Packing Options * L, S, C, X, Ku and DBS-band feed configurations *800MHz bandwidth is available *Two -Tx/Rx port in linear or circular polarized feeds *motorization kits *Feed blower or deicing with automatic controls *Lightning Rod Kits *Non-penetrating mount * Integrated LNB or LNA systems *HPAs, converters and M&C systems * Turnkey installation & testing Continue to next page 　Electrical, Mechanical, Environmental Specification Electrical Specification Type SW37C SW37K Operating Frequency, GHz C band Ku band Receive Transmit Receive Transmit 3.625~4.2 5.85~6.725 10.95~12.75 13.75~14.5 Gain, Mid-band, dBi 42.2 45.4 51.4 52.7 Polarization Linear /circular 　　　　Linear XPD(on Axis), dB 35 35 35 35 XPD across 1dB Beam Width, dB 33 33 33 33 Axial Ratio/2-PortFeed (Circular-Polarized) 1.30 1.09 VSWR 1.25 1.25 1.25 1.25 Antenna Noise Temperature 2-port feed 10° Elevation 30° Elevation 50° Elevation 35°K 29°K 25°K 49°K 39°K 35°K G/T ( El＞10°) 24dB/°K ( 30°LNA ) 30.6dB/°K ( 70°LNA ) -3 dB Beam Width, Mid-band 1.25° 0.82° 0.44° 0.38° Tx. Power Capability, KW 5 2 Feed Interface CPR—229G CPR—137G WR-75 WR-75 Feed Insertion Loss, dB 0.2 0.2 0.25 0.2 Isolation, Tx to Rx, dB 90 85 First Side lobe 90% Peaks under Following Envelop -14 29-25logθ(1°≤θ＜20°) -14 29-25logθ(1°≤θ＜20°) Mechanical Specification Antenna Diameter 　　　　　　3.7m Antenna Type Ring Focus Surface Accuracy（RMS） ≤0.5mm Antenna Pointing Range Azimuth Elevation Polarization 0°~180° 0°~90° ±360° Drive Mode Manual or Motorized Motor Drive System Azimuth Travel Rate Elevation Travel Rate 0.11°/S(0.03°/S) 0.17°/S(0.04°/S) Antenna reflector Material Aluminum Alloy Finish of steel parts Hot dipped Zinc Environmental Specification Operational Wind 72km/h gusting to 97km/h Survival Wind 216km/h Temperature -40°~+60° Relative Humidity 100% Solar Radiation 1135Kcal/h/m² Seismic(Survival) 0.3g(H), 0.15g(V) Ice Loading 13mm Operational; 25mm Survival

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Shaanxi Starwin Communication Co.,Ltd

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