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Robust and Reliable Broadcast-Grade Internet STL

After two years of intensive R&D, prototyping, and field testing with active clients across Africa, Aareff introduces the ultimate Internet Studio Transmitter Link (STL)Our system is engineered for maximum resilience, delivering high-fidelity audio over virtually any network infrastructure.

True Plug-and-Play Connectivity

The Aareff STL is designed to bypass the traditional hurdles of IP-based broadcasting:

■ Zero Configuration: No manual router port forwarding is required; the system establishes a secure connection immediately upon power-up.

■ Universal Network Compatibility: Connect seamlessly via RJ45 Ethernet, USB Hotspots, 3G/4G/5G, or Starlink satellite internet.

■ Global Reach: Simply connect the Encoder at your studio and the Decoder at your transmitter site anywhere in the world to begin transferring near-CD quality stereo audio within seconds.

Technical Note: The Opus codec at 96kbps provides a dynamic range and frequency response equivalent to 256kbps MP3, but with significantly lower overhead and jitter resistance.

Peer-to-Peer Performance: The Aareff Private Worldwide Network

Unlike standard consumer-grade VPNs (such as NordVPN or Surfshark), the Aareff Private Worldwide Network is a proprietary architecture optimized exclusively for high-definition (HD) broadcast audio.

Multi-Region Architecture for Zero Downtime

• Exclusive Infrastructure: Our VPN utilizes custom coding on private Linux servers hosted in high-speed data centers. By removing third-party dependencies, we eliminate the "blame game" in technical support—if you have a connection issue, you deal directly with Aareff.

• Intelligent Failover: The system prioritizes a direct peer-to-peer connection between the Encoder and Decoder. If the primary path is obstructed, the system automatically reroutes through a secondary VPN in a different jurisdiction after 20 seconds.

• Resilience in Extreme Conditions: This redundant routing ensures operation even in regions facing internet censorship, government unrest, or conflict zones.

• Broadcast Quality Everywhere: Whether operating from a major city or a remote frontline, the system delivers high-quality Opus encoding with ultra-low latency, maintaining near-real-time performance.

You can currently see these units on line at:
https://www.aareff.com/ipconnect/encoder-251027/meter.htm
https://www.aareff.com/ipconnect/decoder-251027/meter.htm

Bear in mind these are the workshop RnD real test units and sometimes we may be working on them.

Aareff vs. Barix: Why Engineers are Switching to Aareff Internet STL

While the Barix Instreamer and Exstreamer set has been a reliable industry standard for years, modern broadcasting demands more security and less configuration. Here is how the Aareff system evolves the Internet STL experience:

1. Zero-Configuration Private VPN (Included)

• The Problem with Barix: Standard IP STLs require complex router port forwarding, static IPs, or third-party VPNs which are prone to "blame-game" tech support.

• The Aareff Solution: Our system includes 4 years of private VPN data on our exclusive worldwide network. It is truly plug-and-play; if you have an internet connection (even behind a strict firewall), it just works.

2. Superior Audio Fidelity & Latency

• Opus Encoding: We utilize the Opus 96kbps codec, delivering high-fidelity CD-quality stereo audio with a coding latency of only 50ms.

• Real-Time Performance: Combined with our optimized VPN tunneling, total end-to-end global latency is typically under 0.5 seconds, outperforming traditional hardware codecs on public networks.

3. Professional Analog Infrastructure

• Balanced Audio: Unlike many consumer-grade codecs, the Aareff system features fully balanced XLR stereo inputs and outputs as standard. This ensures your signal remains free of interference and hum, maintaining professional studio standards from source to transmitter.

4. Global Monitoring & Remote Access

• Instant Interface: Once connected, you can access your encoder and decoder interface from any web browser worldwide. You get real-time metering and status updates without needing to be on the same local network.

Aareff vs. Standard IP Codecs: Performance Comparison

Feature	Standard IP STLs	Aareff Internet STL
Configuration	Manual Port Forwarding	Pre-Configured Plug-and-Play
Network Security	Public IP (Vulnerable)	Private Worldwide VPN
Audio Latency	1.0s - 2.0s Average	Sub-0.5 Seconds
Connection Hardware	RCA / Unbalanced	Pro XLR Balanced Stereo
4G/5G/Starlink	Difficult (CGNAT issues)	Fully Compatible

3-Step Quick Start Guide

Step 1: Connect your studio audio to the Encoder XLR inputs.

Step 2: Connect the Encoder and Decoder to any internet source (no port forwarding required).

Step 3: Connect the Decoder XLR outputs to your transmitter. High-quality audio will begin flowing in seconds.

Frequently Asked Questions

Q: Will this STL work with Starlink or 4G/5G mobile networks?
A: Yes. Because our system uses a private VPN and TURN servers, it bypasses CGNAT issues commonly found on Starlink and mobile providers. No static IP is required.

Q: How much internet bandwidth does the Opus stream require?
A: The standard high-quality stream uses 96kbps. We recommend a minimum stable upload/download speed of 256kbps for buffer safety.

Q: What happens after the 4 years of included VPN data expires?
A: You can renew your subscription with Aareff for a small annual fee, or you can choose to host your own VPN server if you have the technical expertise.

LEGAL ADVICE

We sell this equipment to professionals and organizations in good faith it will be used correctly and legally. Nearly every country in the world require licensing for this type of equipment. It is the customer's responsibility to check relevant laws, directives, regulations and licensing requirements before installing or putting this product into service with an antenna system. You, the customer or user agree to defend, indemnify and hold harmless Aareff Systems Limited, it's employees and agents, from and against any claims, actions or demands, including without limitation legal and accounting fees, alleging or resulting from improper or unlawful use of this equipment.

ALL RIGHTS RESERVED. Aareff is a trademark of Aareff Transmission Systems. All contents of this document including, but not limited to the images, logos, text, illustrations are protected by copyrights, trademarks and other intellectual property rights which are owned and controlled by Aareff Transmission Systems or by other parties that have licensed their material to Aareff Transmission Systems. This document in part or whole may not be copied, reproduced, republished, uploaded, posted or distributed in any way, including by e-mail, ftp or any other electronic means

Every care has been taken in the preparation of this document, errors in content, typographical or otherwise, may have occurred. If you have comments concerning its accuracy, please contact Aareff Systems Limited (UK)