Rascom antenna
Antesky Professionally supply Rascom antenna with 2.4M to 7.3M C/Ku band VSAT antenna. The frequency bands are speratly as below.
Upper Ku band of Tx 12.905-13.250GHz/Rx 11.2-11.45Ghz and lower Ku band of Tx 12.905 to 13.250 GHz/Rx 10.7 to 10.95 GHz Co-polarization antenna are adopted by Rascom and also for planned C band of Tx 6.725 to 7.025 GHz/4.5 to 4.8 GHz circular/linear polarization antenna.”
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SPECIFICATION |
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Lower ku band |
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Parameter |
Specified value |
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Mechanical specification |
pedestal structure |
Steel |
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Reflector |
Aluminium |
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Azimuth travel range |
0 - 360° |
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Elevation travel range |
10° to 90° |
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Polarization alignment |
-120° to 120° |
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Diameter |
0,96 m to 1,8 m |
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Mount |
Penetrating (anchored to a concrete foundation) or non penetrating |
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RF specification |
frequency |
TX: 12,905 to 13,250 GHz |
RX: Lower Ku : 10,7 to 10,95 GHz |
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Noise figure |
55 K (10°elevation), 50 K (30°) (for D=1,8m) |
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Efficiency |
TX: ≥ 60% |
RX: ≥ 60% |
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Sidelobe pattern |
For D = 0,96 |
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Angle (Degrees) |
Gain (dBi) |
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*100 l/D°=1 ￡ q ￡ 48° |
32 - 25 log10q |
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48° < q |
-10 |
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For D ≥ 1,2 m |
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Angle (Degrees) |
Gain (dBi) |
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100 l/D°=1 ￡ q ￡ 20 |
29 – 25 log10q |
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20° < q ￡ 26.3° |
-3.5 |
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26.3° < q ￡ 48° |
32 - 25 log10q |
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48° < q |
-10 |
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Cross Polarization isolation |
30 dB (On axis) and 25 dB within 1 dB beamwidth |
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Polarization |
Linear |
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Feed loss |
0,5 dB |
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Port to port isolation |
50 dB |
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Interface specification |
Interface with block up converter |
The Block up converter has an output power from 2 W (P1dB=33dBm) up to 4W (36dBm) |
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Feed interface |
TX: WR-75 waveguide flange |
RX: WR-75 or SMA female |
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feed with 2 ports |
RX/TX ports |
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Environmental specification |
Operating temperature range |
-40° to 60° C |
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Operation wind |
Up to 100 km/h |
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Rain |
Up to 150 mm/h |
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Solar Radiation |
Up to 1,135 kW/m2 |
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Humidity |
0 to 85% at 30°C (non condensing) |
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Other environment |
Sandy, dusty |
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MTBF |
> 90000 h |
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SPECIFICATION |
|
|
Upper ku band |
|
|
Parameter |
Specified value |
|
Mechanical specification |
pedestal structure |
Steel |
|
Reflector |
Aluminium |
|
Azimuth travel range |
120° continuous |
|
Elevation travel range |
10° to 90° |
|
Polarization alignment |
-120° to 120° |
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Diameter |
2,4 m to 6 m |
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Mount |
Penetrating(Anchored to a concrete foundation) or non penetrating |
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Optional |
Drive mode |
Motorization |
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Tracking |
Monopulse or step tracking |
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Tracking receiver |
Tracking down converter / tracking LNA |
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Beacon characteristics for tracking |
EIRP |
12 dBW |
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Center frequency |
11,45 GHz |
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RF specification |
Frequency |
TX: 12,905 to 13,250 GHz |
RX: upper Ku: 11,2 to 11,45 GHZ |
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Noise figure |
51 K (10°elevation), 44 K (20°) and 38 K (40°) (for D=3,7m) |
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Efficiency |
TX: ≥ 65% |
RX: ≥ 65% |
|
Sidelobe pattern |
Angle (Degrees) |
Gain (dBi) |
|
100 l/D°=1 ￡ q ￡ 20 |
29 – 25 log10q |
|
20° < q ￡ 26.3° |
-3.5 |
|
26.3° < q ￡ 48° |
32 - 25 log10q |
|
48° < q |
-10 |
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Cross Polarisation isolation |
35 dB (On axis) and 30 dB within 1 dB beamwidth |
|
Polarization |
Linear |
|
Feed loss |
0,3 dB |
|
Port to port isolation |
55 dB |
|
Interface specification |
Interface with block up converter |
The Block up converter has an output power up to 50W (46dBm) |
|
Feed interface |
TX: WR-75 waveguide flange |
RX: WR-75 or SMA female |
|
feed with 2 ports |
RX/TX ports |
|
Environmental specification |
Operating temperature range |
-40° to 60° C |
|
Operation wind |
Up to 100 km/h |
|
Rain |
Up to 150 mm/h |
|
Solar Radiation |
Up to 1,135 kW/m2 |
|
Humidity |
0 to 85% at 30°C (non condensing) |
|
Other environment |
Sandy, dusty |
|
MTBF |
> 90000 h |
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