4.5m Earth Station Antenna for communications,earth station satellite antenna The antenna can be used in synchronous orbit satellite communications, data transmission, microwave radio relay communication and satellite TV receiving for receiving and transmitting. The antenna performance complies with antenna requirements of satellite earth station stipulated by CCIR-580. Characteristics: ● Conform to the CCIR580-4 standards and INTELSAT access requirements; ● Ring focus antenna; ● High gain, Low sidelobe, high G/T value; ● Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability; ● Optional C band with 870 MHZ bandwidth; ● Ku-band 2-ports or 4 ports Linear/Circular feed optional; Accessories: Ground plot, foundation template, the anchor bolt; Optional: Deicing equipment, electric equipment, antenna controller, antenna drive, drive motor, limit switch, step autotracking, cable, connector, electric polarization, activity foundation, lightning rod and wire, high-frequency head; ELECTRICAL SPECIFICATIONS TypeNS-SEC-450NS-SEC(Ku)-450
Operating Frequency,GHzC-BandKu-Band ReceiveTransmitReceiveTransmitReceive 3.625~4.25.85~6.42510.95~12.7513.75~14.5 Gain, Mid-Band, dBi4447.353.254.3 PolarizationLinear or CircularLinear XPD(on axis),dB35353535 Axial Ratio(2 port) 1.301.09// VSWR1.25:11.25:11.25:11.25:1 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-Band1.05°0.72°0.37°0.33° Tx. Power Capability, KW/5/2 Feed interfaceCPR-229GCPR-137GWR-75WR-75 Feed Insertion Loss, dB≤0.2≤0.2≤0.2≤0.25 Rx-Rx, Tx-Tx Linear, dB30303030 Tx-Tx, Rx-Rx Circular, dB2121// Isolation, Tx to Rx, dB9085 First Sidelobe,dB 90% Peaks under Following envelop,dBi-14 29 - 25 logθ(1°≤θ<20°)-14 29 - 25 logθ(1°≤θ<20°) MECHANICAL SPECIFICATIONS Antenna Diameter4.5m Antenna TypeRing Focus Mount TypeEl. Over Az. Surface Accuracy(RMS)≤0.5 mm Weight(Net)870kg (Manual);988kg(Motorized) Antenna Pointing Range(Continuous) Azimuth Elevation Polarization ±65°(Continuous) 0°~90°(Continuous) ±90°(Continuous) Drive ModeManual or Motorized Motor Drive System Azimuth Travel Rate Elevation Travel Rate Polarization speed 0.11°/S 0.17°/S 1°/S ENVIRONMENTAL SPECIFICATIONS 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, Survival13mm Wrapped ice normal work 25mm Wrapped ice survival Temperature-30℃~50℃ Relative Humidity100% Surface treatmentSteel parts: thermal-spraying zinc Aluminum parts:spray paint Solar Radiation1135Kcal/h/m²low price Telecommunication antenna website: http://www.vastantenna.com/fixed-station-antenna/fixed-station-tx-rx-antenna/ |