RF Specifications
| Model | NS-SEC-620 | NS-SEC(Ku)-620 | ||
| Operating Frequency GHz | C band | Ku band | ||
| Receive | Transmit | Receive | Transmit | |
| 3.625～4.2 | 5.85～6.425 | 12.25～12.75 | 14.0～14.5 | |
| 3.4～4.2 | 5.85～6.725 | 10.95～12.75 | 13.75～14.5 | |
| Antenna gain dBi | 45.97 @3.8GHz | 50.34 @6.288GHz | 55.85 @11.85GHz | 57.37 @14.125GHz |
| Polarization | Linear, circular Linear | |||
| XPD dB | ≥35 | ≥35 | ≥35 | ≥35 |
| Axial Ratio（2 port） | 1.3 | 0.5 | 1.2 | 1.2 |
| Axial Ratio（4 port） | 0.5 | 0.5 | / | / |
| VSWR | 1.25：1 | 1.25：1 | 1.25：1 | 1.25：1 |
| Noise temperature EL : 10° 30° 50° | 35K 25K 22K | / | 50K 39K 36K | / |
| G/T dB/K，10°El | 27.4 dB/K （30°L N A ） | / | 34.6 dB/K （70°L N A ） | / |
| -3dB beam width | 0.83° | 0.5° | 0.27° | 0.22° |
| Insertion loss, dB | ≤0.2 | ≤0.2 | ≤0.25 | ≤0.3 |
| Power capacity, KW | / | 5 | / | 2 |
| Interface | CPR-229G | CPR-137G | WR-75 | WR-75 |
| Rx-Tx isolation, dB | 90 | 85 | ||
| First sidelobe, dB Far sidelobes, dBi | -14 29 - 25 logθ（1°≤θ＜20°） | -14 29 - 25 logθ（1°≤θ＜20°） | ||
Mechanical specifications
| Antenna diameter | 6.2 m |
| Antenna type | Ring focus |
| Antenna mount type | EL over AZ |
| RMS | ≤0.5 mm |
| Antenna weight（N.W） | 3300 kg(manual) 3500（motorized） |
| Antenna travel range AZ EL Pol | ±70° 0°～90° ±90° |
| Antenna drive mode | Motorized |
| Rotation speed | Single speed |
Envioronment specifications
| Working wind speed | 72 km/h |
| Without damage | 216 km/h |
| Working temperature | -30℃～50℃ |
| Humidity | 100% |
| Solar radiation | 1135Kcal/h/m² |
| Ice load | Work normally: 13mm ; without damage: 25mm |
| Seismic capacity | Horizontal: 0.3G; vertical: 0.1G |
| Surface treatment | Steel parts: hot dip galvanized; aluminum part: primer paint+surface pain |
