4.5m Ka Band Satellite Communication Antenna

Characteristics:Meets or exceeds CCIR 580 and INTELSAT requirementsRing focus designed;High gain, Low sidelobe, High G/T rate;Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;Linear or circular polarization optional; Reasonable structure and easy operation.Standard configuration:Main reflector, subreflector, subreflector support, back support frame, kingpost, feed, solid wretch, foundation template and standard component. Optional: BUC, LNB, Modem, spectrum analyzer, moving foundation, de-icing equipment, BUC fix bracket, servo control system, motorized polarization, 4-port feed, lightning protection device, installation tools, cable and connector.RF specifications Model NS-SECK-450Working frequency, GHzReceiveTransmit 17.7~21.227.5~31Antenna gain dBi57.13@20.0GHz (2 port)57.26@20.0GHz (4 port)60.65@30.0GHz ( 2port)60.78@30.0GHz (4 port)Polarization  Circular XPD dB(linear)3535Axial Ratio(2 port, circular) 1.51.5Axial Ratio(4 port, circular) 1.01.0VSWR1.351.35Noise temperature10°Elevation20°Elevation30°Elevation50°Elevation116 K86K75 K70 K G/T dB/K,10°ElG/T dB/K,10°Elevation/-3dB beam width0.23°0.15°Insertion loss, dB0.60.6Tx power capacity, KW/2Interface WR-42WR-28Tx-Rx isolation, dB85First Sidelobe90% Peaks under Following envelop-1429 - 25 logθ(1°≤θ