1.8m offset linear and circular optional communication antenna Characteristics: 1.Conform to the CCIR580-4 standards and INTELSAT access requirements; 2.Offset antenna; 3.High gain, Low sidelobe, high G/T value; 4.Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability; 5.Optional C band with 870 MHZ bandwidth; 6.Optional 2 port and 4 port for linear polarization or circular polarization feed ; 7.Automatic feed switching system for Linear and circular polarization; Electrical Specfications: Type:NS-SEC-180/NS-SEC(Ku)-180 Operating Frequency,GHz C-Band Receive:3.625~4.2 Transmit:5.85~6.425 Ku-Band Receive:10.95~12.75 Transmit:13.75~14.5 Gain, Mid-Band, dBi C-Band Receive:35.5 C-Band Transmit:39.5 Ku-Band Receive:44.6 Ku-Band Transmit:45.6 Polarization C-Band:Linear or Circular Ku-Band:Linear XPD(on axis),dB C-Band Receive:35 C-Band Transmit:35 Ku-Band Receive:35 Ku-Band Transmit:35 Axial Ratio(2 port) C-Band Receive:1.30 C-Band Transmit:1.09 Ku-Band Receive:/ Ku-Band Transmit:/ Axial Ratio(4 port) C-Band Receive:1.06 C-Band Transmit:1.06 Ku-Band Receive:/ Ku-Band Transmit:/ VSWR C-Band Receive:1.25:1 C-Band Transmit:1.25:1 Ku-Band Receive:1.25:1 Ku-Band Transmit:1.25:1 Antenna Noise Temperature 10�Elevation 30�Elevation 50�Elevation C-Band Receive:39�K C-Band Receive:29�K C-Band Receive:26�K C-Band Transmit:/ Ku-Band Receive:43K Ku-Band Receive:36K Ku-Band Receive:32K Ku-Band Transmit:/ -3dB Beam width, Mid-Band C-Band Receive:2.87 C-Band Transmit:1.92 Ku-Band Receive:0.92 Ku-Band Transmit:0.87 Tx. Power Capability, KW C-Band Receive:/ C-Band Transmit:5 Ku-Band Receive:/ Ku-Band Transmit:2 Feed interface C-Band Receive:CPR-229G C-Band Transmit:CPR-137G Ku-Band Receive:WR-75 Ku-Band Transmit:WR-75 Feed Insertion Loss, dB