4.5m Cassegrain DBS Band Feed System

4.5m Cassegrain DBS Band Feed System

Frequency Range:Tx: 17.30-18.40GHz Rx: 10.70-12.75 GHz Insertion Loss: Tx ≤0.25dB Rx≤0.25 dB VSWR:Tx ≤1.30 Rx ≤1.30
Isolation: Tx/Rx ≥85dB
Rx/Tx ≥85dB
Power Handling:500W CW PER Tx Port (1KW TOTAL)
Pressure: Sealed to 5.0 PSIG
Finish: Paint White Color
Interface: Tx: WR62 (BJ140)
Rx: WR75 (BJ120)
Remark: Different interfaces can be customized
Unit: millimeter
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Basic Overview

 

The 4.5-meter Cassegrain Direct Broadcast Satellite (DBS) Band Feed System is a satellite communication apparatus specifically engineered to function within the DBS frequency band. This system incorporates a Cassegrain reflector configuration alongside a feedhorn that has been meticulously optimized for the reception and transmission of signals within the DBS frequency spectrum, which ranges from 12.2 to 12.7 GHz. Its primary applications include satellite television reception, satellite data communication, and broadcasting services.

The Cassegrain design provides an efficient, high-gain system, ideal for receiving signals from geostationary satellites and transmitting signals over long distances. The 4.5m diameter ensures excellent reception sensitivity, even in challenging environments. The system is compatible with a wide range of antennas, providing flexibility for various satellite applications.

 

Key Specifications

 

Frequency Range

Tx: 17.30-18.40GHz

Rx: 10.70-12.75 GHz

Insertion Loss

Tx ≤0.25dB

Rx≤0.25 dB

VSWR

Tx ≤1.30

Rx ≤1.30

Isolation

Tx/Rx ≥85dB

Rx/Tx ≥85dB

Power Handling

500W CW PER Tx Port (1KW TOTAL)

Pressure

Sealed to 5.0 PSIG

Finish

Paint White Color

Interface

Tx: WR62 (BJ140)

Rx: WR75 (BJ120)

 

Advantages and Key Features

 

The 4.5m Cassegrain DBS Band Feed System offers numerous advantages that distinguish it from other systems in the market. Some of the most significant benefits include:

  • High Gain and Low Loss: The Cassegrain configuration facilitates the attainment of substantial signal amplification (exceeding 50 dB), thereby guaranteeing the clear and dependable reception of faint satellite signals. Furthermore, the system's low sidelobe levels (less than -25 dB) effectively reduce interference from extraneous signals, rendering it particularly suitable for Direct Broadcast Satellite (DBS) applications.
  • Precision and Stability: Equipped with a beamwidth of 0.8° and a dual-polarization feedhorn, this system offers enhanced accuracy in signal reception. The adjustable azimuth and elevation mounting facilitates precise alignment, which is essential for sustaining optimal signal strength in satellite communication systems.
  • High Power Handling: The system is capable of handling up to 100 W of continuous power, making it suitable for high-power satellite communication systems that require robust and consistent performance.
  • Wide Operating Temperature Range: The system is engineered to operate efficiently across a wide spectrum of environmental conditions, ranging from -40°C to +60°C. This characteristic enhances its versatility for applications in both indoor and outdoor settings, particularly in adverse weather scenarios.
  • Durability and Weatherproofing: The system is equipped with an IP65-rated weatherproof coating, enabling it to endure severe environmental conditions such as precipitation, snowfall, and wind, thereby guaranteeing sustained and dependable performance over time.
  • Customizable Design: Admwtech provides Original Equipment Manufacturer (OEM) and Original Design Manufacturer (ODM) services, enabling clients to tailor systems according to their particular requirements. This includes modifications to feedhorn configurations, selection of materials, and design of antennas.

 

Applications

 

The 4.5m Cassegrain DBS Band Feed System is suitable for a range of satellite communication applications, including: Cassegrain Reflector,Feedhorn and Polarization,High Gain and Low Sidelobes.

 

Why choose Admwtech?

 

As global communications demand increases, particularly in satellite communications, the need for high-performance satellite dish systems becomes essential. The 4.5m Cassegrain DBS Band Feed System is an advanced solution for direct broadcasting services (DBS) and other high-frequency satellite communication applications. Admwtech is dedicated to the provision of advanced satellite systems and components, exemplified by our 4.5m Cassegrain DBS Band Feed System, which reflects our commitment to delivering high-quality products to our clients.

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