4.5m prime focus antenna for sale
Our 4.5m prime focus antenna is Cassegrain prime focus antenna with sub-reflector which is modified with high accuracy. This antenna is a kind of satellite TV which is used to receive both C-band and Ku-band satellite signals.
You can choose C band,ku band that you need
Linear or Circular Polarized feed system as option
Self-aligning,stretch forming of aluminum reflector
Easy to do the installation
Reliable structure and a good anti-rust
4.5m prime focus antenna Technical Specifications
|
4.5m prime focus antenna ELECTRICAL SPECIFICATION |
||
|
Antenna |
C-BAND |
Ku-BAND |
|
Frequency |
3.625-4.2GHz |
10.95-12.75GHz |
|
Midband Gain |
43.2dB |
53.1dB |
|
VSWR |
≤1.35 |
≤1.25 |
|
Noise Temperature |
41°K@20°El |
45°K@20°El |
|
Feed Interface |
CPR229 |
WR75 |
|
-3dB Beamwidth |
1.2° |
0.42° |
|
Sidelobe |
First Sidelobe ≤-14dB |
|
|
Envelop P90% ≤ 52 - 10lgθ(D/Δ) - 25lgθ |
||
|
Polarization |
Linear (circular as option) |
Linear (circular as option) |
|
4.5m prime focus antenna MECHANICAL SPECIFICATION |
|
|
Diameter |
4.5m |
|
Azimuth Adjustment |
±80° |
|
Elevation Adjustment |
0°to 90° (continuous) |
|
Reflector material |
Aluminum |
|
Paint Color |
White |
|
Re-installation |
0.5mm(r.m.s.) |
|
Antenna Optics |
Cassegrain prime focus antenna |
|
Surface Tolerance |
0.4mm(r.m.s.) |
|
Mount Type |
Elevation over Azimuth |
|
4.5m prime focus antenna ENVIRONMENTAL SPECIFICATION |
|
|
Seismic(survival) |
0.3G’s horizontal0.15 G’s vertical |
|
Temperature |
-45°C ~50°C |
|
Relative Humidity |
100% |
|
Wind Loading |
Operational: 80kmph Survival : 200kmph |
Antesky is a professional Prime focus antenna manufacturer, which was established in 1985 under the support of Chinese governmental research institutions. At previous time, we mainly customized antennas for Chinese aerospace and military application. From the year 2008, we began to produce civilian antennas. However, Antesky manufactures civilian antennas according to military standard all the time, so the antenna quality is with high reputation in the world. Antesky can provide antennas from3mdiameter to50mdiameter, including vsat antenna, Large Satellite Dish, TVRO Antenna, Flyaway Antenna and Marine TV Antenna etc.
Antesky SNS link：
1. linkedin: http://www.linkedin.com/company/antesky-science-technology-inc-
2. Facebook: https://www.facebook.com/antesky.dish.antenna
3. E-mail address: ivy@antesky.com
4. Website: www.antesky.com
