YAT-2A+ is a high-performance Dual-Output Ku-Band Low-Noise Block Downconverter

1. Overview

2. Key Functions

2.1 Ku-Band Signal Reception & Ultra-Low-Noise Amplification

• Target Frequency Band: Optimized for the standard 10.7GHz–12.75GHz Ku-band, the most widely adopted spectrum for satellite television (TV), digital video broadcasting (DVB), and small-to-medium-scale satellite data services globally.
• High-Efficiency Signal Capture: Features a standard feedhorn interface compatible with most Ku-band satellite dishes (typically 45cm–1.8m in diameter), efficiently collecting weak signals that have undergone long-range transmission and atmospheric attenuation.
• Low-Noise Amplification (LNA): Equipped with a premium LNA module boasting an ultra-low noise figure (NF) of 0.2dB–0.3dB. This ensures weak input signals are amplified significantly while introducing negligible background noise, a critical factor for maintaining signal clarity and reliable decoding by downstream devices.

2.2 Precise Frequency Downconversion

• Downconversion Rationale: High-frequency Ku-band signals suffer severe attenuation over coaxial cables, making direct long-distance transmission unfeasible. The YAT-2A+ resolves this by downconverting received signals to a manageable 950MHz–2150MHz intermediate frequency (IF) range.
• Stable Local Oscillator (LO): Incorporates a high-stability LO (with frequency stability of ±1ppm or better) to mix with Ku-band input signals. This eliminates frequency drift and signal distortion during downconversion, ensuring consistent signal quality across both output ports.

2.3 Dual Independent IF Signal Outputs

• Dual F-Type Interfaces: Equipped with two standard F-type coaxial output ports, each delivering an identical, amplified IF signal. These outputs operate independently, meaning signal loss or interference on one port does not affect the other. This enables simultaneous connection to two separate satellite receivers, set-top boxes, or DVRs.
• Low Insertion Loss: Each output is optimized for minimal insertion loss, ensuring that signals retain strength even when transmitted over 10–20 meters of coaxial cable (common in residential or small-office installations).

2.4 Robust Performance & Environmental Durability

• High Total Gain: Provides a total signal gain of 55dB–65dB, compensating for cable transmission losses and ensuring downstream devices (e.g., receivers) can reliably detect and decode signals—even in areas with marginal satellite coverage.
• Anti-Interference Filtering: Built-in band-pass filters suppress out-of-band noise (e.g., terrestrial microwave interference, adjacent satellite signals) and harmonic distortions, significantly improving the signal-to-noise ratio (SNR) and reducing reception issues like pixelation or audio dropouts.
• Weather-Resistant Design: Housed in corrosion-resistant die-cast aluminum with an IP-rated protection level (typically IP65), the YAT-2A+ withstands rain, dust, humidity, and extreme temperatures (operating range: -40°C to +60°C). This design ensures stable performance in outdoor environments where satellite dishes are mounted.

2.5 Compatibility with DiSEqC (Optional for Advanced Models)

• Many variants of the YAT-2A+ support DiSEqC 1.0/1.1 protocols (Digital Satellite Equipment Control), enabling integration with multi-satellite systems. This allows users to switch between signals from two different satellites using a single LNB and dish (with a motorized mount), expanding content access without additional hardware.

3. Typical Applications

3.1 Residential Multi-Device Satellite TV

• Primary Use Case: Ideal for households with multiple TVs requiring independent satellite TV access. For example, connect one output to a living room set-top box and the other to a bedroom receiver—both can watch different satellite channels simultaneously without signal conflict. It supports free-to-air (FTA) or subscription-based Ku-band channels (e.g., international programming, sports, or premium content) from satellites like Astra, Eutelsat, or Intelsat.

3.2 Small Office/Retail Dual-Terminal Reception

• Suitable for small offices, convenience stores, or waiting areas where two displays need separate satellite content. For instance, a shop can use one output for a news channel on a customer-facing TV and the other for a business data feed (e.g., real-time inventory updates via satellite) on a back-office monitor—all powered by a single satellite dish and YAT-2A+.

3.3 Simultaneous Viewing & Recording

• Enables users to watch live satellite TV while recording another program. Connect one output to a set-top box for live viewing and the other to a DVR (Digital Video Recorder) or a receiver with built-in recording capabilities. This eliminates the need for a second satellite dish and LNB, simplifying setup and reducing costs.

3.4 Replacement for Legacy Dual-Output LNBs

• Serves as a direct upgrade or replacement for aging dual-output Ku-band LNBs in existing systems. It is fully compatible with standard Ku-band dishes and DVB-S/DVB-S2/DVB-S2X compliant receivers, making it a cost-effective solution to restore or enhance signal quality for multi-device setups.

3.5 Basic Multi-Satellite Systems (DiSEqC-Enabled Variants)

• For users seeking access to content from two satellites, DiSEqC-supported YAT-2A+ models work with motorized satellite dishes to switch between two Ku-band satellite signals. This is common in regions where desired channels are distributed across multiple satellites (e.g., mixing regional and international content).

4. Core Advantages

• Dual Independent Feeds: Eliminates the need for a second LNB or dish to support two devices, reducing installation complexity and hardware costs.
• Superior Signal Quality: Ultra-low noise figure and high gain ensure stable, clear reception—even for weak signals in suburban or rural areas—minimizing common issues like signal dropout or distorted audio/video.
• Broad Compatibility: Works with all standard Ku-band dishes and mainstream satellite receivers/set-top boxes, requiring no specialized tools for installation (mounts directly on the dish’s feed arm and connects via coaxial cable).
• Outdoor Durability: Weatherproof housing and industrial-grade components guarantee long-term operation in harsh conditions, reducing maintenance and replacement frequency.
• Scalability (DiSEqC Models): Supports multi-satellite access for users needing expanded content options, without investing in a full multi-LNB system.

Ku-Band Low-Noise Block Downconverter

Dual-Output LNB Downconverter

High-performance Ku-Band Downconverter

YAT-2A+ is a high-performance Dual-Output Ku-Band Low-Noise Block Downconverter Images