SMARTNOBLE's 3.0M Semi-Rotary Box Antenna
2.2 Main Performance Indicators
2.2.1 Main Functions
a) With automatic tracking, preset position, manual speed and other functions;
b) It has the functions of parameter memory, power-down protection and fault
detection;
c) The longitude, latitude and location information of the site can be manually
input/automatically collected;
d) It can be quickly installed and disassembled without wrench, hoisting and
other equipment.
2.2.2 Mechanical Properties
a) Antenna diameter: 3.0 meters;
b) Mount type: azimuth-elevation semi-rotary antenna mount structure;
c) Antenna movement range: alignment±80°, pitch 5°～90°;
d) Weight and size of a single box (including internal components)1） Weight: ≤60kg;
2） Size: ≤950mm×950mm×600mm;
3） The feed packaging box is determined according to the actual supporting
quantity.
e) Assembly and disassembly time: ≤30min (4 persons).
2.2.3 Electrical Properties
a) Working frequency band:
C frequency band: receive 3.4GHz ～ 4.2GHz, transmit 5.85GHz ～
6.725GHz;
X frequency band: receive 7.25GHz～7.75GHz, transmit 7.9GHz～8.4GHz;
Ku frequency band: receive 10.7GHz ～ 12.75GHz, transmit 13.75GHz ～
14.5GHz;
Ka frequency band: receive 17.7GHz ～ 21.2GHz, transmit 27.5GHz ～
31.0GHz.
b) Antenna gain:
C-band: receiving ≥37.0+20log (f/3.4) dBi;
Emission ≥ 41.8+20log (f/5.85) dBi.
X-band: receiving ≥ 44.1+20log (f/7.25) dBi;
Emission ≥44.9+20log (f/7.9) dBi.
Ku frequency band: receiving ≥ 47.5+20log (f/10.7) dBi;
Emission ≥49.7+20log (f/13.75) dBi.
Ka frequency band: receiving ≥ 51.7+20log (f/17.7) dBi;
Emission ≥55.5+20log (f/27.5) dBi.
c) Noise temperature:
C-band: ≤60K;
X frequency band: ≤70K;
Ku frequency band: ≤80K;
Ka frequency band: ≤160K.
d) Polarized form
C-band: linear polarization;
X-band: circular polarization;Ku frequency band: linear polarization;
Ka frequency band: circular polarization;
e) First side lobe: ≤-14dB.
2.2.4 Servo Performance Requirements
a) Turning speed:
Alignment: 0.01°/s～3°/s;
Pitch: 0.01°/s～1.0°/s.
b) Working mode: standby, manual speed, position preset, satellite preset.
c) Tracking method: step tracking.
d) Tracking accuracy: ≤1/6 half power beam width.
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