1.8m RxTx Class II Type 182 Antenna System, Global Skyware

Product Specification

1. One-piece thermoset-molded offset reflector: This suggests that the reflector is made from a single piece of thermoset-molded material. Thermoset refers to a type of plastic that, once set, cannot be melted or reshaped. The “offset” design indicates that the reflector is not a standard symmetrical shape but is positioned or shaped in a way that serves a specific purpose, often related to optimizing light distribution.
2. Plated hardware for maximum corrosion resistance: The hardware, which includes nuts, bolts, screws, etc., is plated with a corrosion-resistant material. Plating helps protect the metal from corrosion caused by exposure to elements such as moisture, air, or chemicals.
3. Pre-galvanized construction: This indicates that the construction material, likely steel, has been galvanized before the final product is manufactured. Galvanization involves coating the steel with a layer of zinc to protect it from corrosion.
4. 500-hour salt spray hardware: The hardware has undergone a salt spray test for 500 hours. This test is a common method to evaluate the corrosion resistance of materials and surface coatings. It simulates the corrosive effects that can occur in a salt-laden environment, such as coastal areas.

Antenna Mechanical and Environmental Specifications

Specifications	Details
Reflector Material	Glass Fiber Reinforced Polyester
Antenna Optics	One-Piece Offset Feed Prime Focus
Mount Type	Elevation over Azimuth
Maximum Radio Weight	3.6 kg or 8 lb for RF Electronics
Elevation Adjustment Range	10° – 90° Continuous Fine Adjustment
Azimuth Adjustment Range	360° Continuous, ±10° Fine
Mast Pipe Interface	114 mm (4.50 in) Diameter or 101 mm (4.00 in) Diameter
Wind Loading	Operational: 80 km/h (50 mph)
	Survival: 200 km/h (125 mph)
Temperature	-50°C to 80°C
Humidity	0 to 100% (Condensing)
Atmosphere	Standard Hardware Meets 500 Hour Salt Spray Test Requirements (ASTM B-117)
Solar Radiation	360 BTU/h/ft2
Shock and Vibration	As Encountered During Shipping and Handlin

 

C-Band & Ku-Band Antenna Specifications

Specifications	C-Band	Ku-Band
Effective Aperture	1.8m (71 in)	1.8m (71 in)
Operating Frequency	Tx: 5.850 – 6.725 GHz	Tx: 13.75 – 14.50 GHz
	Rx: 3.400 – 4.200 GHz	Rx: 10.70 – 12.75 GHz
Polarization	Linear, Orthogonal	Linear, Orthogonal
Gain (±0.2 dBi)	Tx: 39.3 dBi @ 6.1 GHz	Tx: 46.8 dBi @ 14.3 GHz
	Rx: 35.4 dBi @ 3.9 GHz	Rx: 45.3 dBi @ 12.0 GHz
3dB Beamwidth	Tx: 2.0° @ 6.1 GHz	Tx: 0.8° @ 14.3 GHz
	Rx: 3.0° @ 3.9 GHz	Rx: 1.0° @ 12.0 GHz
Sidelobe Envelope (Tx, Co-Pol dBi)	Mainbeam < Θ < 20°: 29 – 25 Log Θ	Mainbeam < Θ < 20°: 29 – 25 Log Θ
	20° < Θ 26.3°: -3.5	20° < Θ 26.3°: -3.5
	26.3° < Θ < 48°: 32-25 Log Θ	26.3° < Θ < 48°: 32-25 Log Θ
	48° < Θ < 180°: -10	48° < Θ < 180°: -10
Antenna Cross-Polarization	30 dB on Axis	30 dB on Axis
Antenna Noise Temperature	30° El: 33°K	30° El: 23°K
VSWR	Tx: 1.3:1	Tx: 1.3:1
	Rx: 1.4:1	Rx: 1.5:1
Isolation (Port to Port)	Tx: 60 dB	Tx: 80 dB
	Rx: 60 dB	Rx: 35 dB
Feed Interface	Tx: CPR-137 or Type N	Tx: WR75 Flat Flange
	Rx: CPR-229	Rx: WR75 Flat Flange

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