Industry-Verified Manufacturing Data (2026)

Low-Noise Block Downconverter (LNB)

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Low-Noise Block Downconverter (LNB) used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Low-Noise Block Downconverter (LNB) is characterized by the integration of Feedhorn and Waveguide. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A device that receives and downconverts satellite signals to a lower frequency for transmission via coaxial cable.

Product Specifications

Technical details and manufacturing context for Low-Noise Block Downconverter (LNB)

Definition
A critical component in satellite communication systems that is mounted on satellite dishes. It receives weak microwave signals from satellites, amplifies them with minimal added noise, and converts them to lower frequencies (typically L-band) for transmission through coaxial cables to satellite receivers inside buildings.
Working Principle
The LNB receives high-frequency satellite signals (e.g., Ku-band: 10.7-12.75 GHz, C-band: 3.4-4.2 GHz) via the feedhorn. It amplifies these weak signals using a low-noise amplifier (LNA) to minimize signal degradation. Then, a local oscillator (LO) generates a fixed frequency that mixes with the incoming signal in a mixer, producing intermediate frequencies (IF) in the 950-2150 MHz range. These lower-frequency signals are then transmitted through coaxial cable to the indoor receiver.
Common Materials
Aluminum housing, Printed circuit board (PCB), Semiconductor components (GaAs FETs/HEMTs), Dielectric materials, Copper conductors
Technical Parameters
  • Noise temperature or noise figure indicating signal degradation during amplification (K) Standard Spec
Components / BOM
  • Feedhorn
    Collects and focuses satellite signals into the waveguide
    Material: Aluminum or plastic
  • Waveguide
    Transmits microwave signals from feedhorn to PCB
    Material: Aluminum
  • Low-Noise Amplifier (LNA)
    Amplifies weak satellite signals with minimal added noise
    Material: Gallium Arsenide (GaAs) semiconductor
  • Local Oscillator (LO)
    Generates stable frequency for downconversion mixing
    Material: Quartz crystal, semiconductor components
  • Mixer
    Combines incoming signal with LO frequency to produce IF
    Material: Semiconductor diodes or transistors
  • IF Amplifier
    Amplifies the downconverted intermediate frequency signal
    Material: Semiconductor components on PCB

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Low-Noise Block Downconverter (LNB).

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Factories Producing Low-Noise Block Downconverter (LNB)

Verified manufacturers with capability to produce this product in China

✓ 98% Supplier Capability Match Found

T Technical Director from Singapore Feb 10, 2026
★★★★★
"The technical documentation for this Low-Noise Block Downconverter (LNB) is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Project Engineer from Germany Feb 07, 2026
★★★★☆
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Low-Noise Block Downconverter (LNB) so far. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Brazil Feb 04, 2026
★★★★★
"Testing the Low-Noise Block Downconverter (LNB) now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Low-Noise Block Downconverter (LNB) from Brazil (41m ago).

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Frequently Asked Questions

What is Low-Noise Block Downconverter (LNB)?

As a key part of Computer, Electronic and Optical Product Manufacturing, Low-Noise Block Downconverter (LNB) serves as A device that receives and downconverts satellite signals to a lower frequency for transmission via coaxial cable..

Which factories produce Low-Noise Block Downconverter (LNB) in China?

The Computer, Electronic and Optical Product Manufacturing field can access 40+ vetted Low-Noise Block Downconverter (LNB) suppliers via CNFX.

What materials are used in Low-Noise Block Downconverter (LNB)?

High-grade Low-Noise Block Downconverter (LNB) models feature Aluminum housing, Printed circuit board (PCB).

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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