UBIQUITI airFiber®24HD AF-24HD, 24 GHz Full Duplex Point-to-Point 2 Gbps Radio

Overview

Revolutionary Wireless Technology

Introducing airFiber®, a truly revolutionary Point-to-Point wireless platform from Ubiquiti Networks™. Housed in a compact, highly efficient form factor, airFiber delivers amazing wireless gigabit+ performance, low latency, and long range. airFiber ushers in a new era in price-disruptive wireless technology ideal for carrier backhaul, building-to-building enterprise use, or public safety applications.

Efficient by Design

Every detail of airFiber was designed and engineered by the Ubiquiti R&D Team. From the silicon chip up to the nnovative split-antenna architecture, the Ubiquiti R&D Team created airFiber to deliver superior throughput with efficiency. airFiber was purpose-built to create a high performance backhaul.

Plug and Play Deployment

Based on Ubiquiti’s innovative and intuitive airOS®, the airFiber Configuration Interface enables quick deployment. With installation efficiency in mind, the mechanical design allows easy installation by one person. A two-person installation crew can effectively install and align an airFiber link.

To fine-tune the alignment, the received signal levels can be conveniently accessed via any of these methods:

• airFiber LED display

• airFiber Configuration Interface

• Audio tone feature

Designed for Freedom

airFiber operates in worldwide, license-free, 24 or 5 GHz frequencies. Anyone around the world can purchase and operate airFiber without any special permits, paperwork, or added licensing costs. Users are free to locate, deploy, and operate airFiber practically anywhere they choose (subject to local country regulations).

• AF-5 Supports mid-band 5 GHz frequencies 5470 - 5950 MHz
• AF-5U Supports high-band 5 GHz frequencies 5725 - 6200 MHz
• AF-24/AF-24HD Supports 24 GHz frequencies 24.05 - 24.25 GHz

Built for Speed and Range

airFiber delivers gigabit performance at 1.0+ Gbps for airFiber AF-5/AF-5U and 1.4+ Gbps for airFiber AF-24 and 2 Gbps for airFiber AF-24HD. To put this in perspective, airFiber can transmit a 100 MB file in less than a second. Rivaling common broadband providers, airFiber download speed is up to 100x faster. With speed and throughput surpassing conventional wired backhauls, airFiber prevails over expensive and labor-intensive wired infrastructures.

airFiber is built for long-range use: up to 13+ km for airFiber AF-24, up to 20+ km for airFiber AF-24HD and up to 100+ km for airFiber AF-5/AF-5U, which launches the innovative xtreme Range Technology (xRT™) feature.

airFiber backhauls do not share the security risks associated with wired backhauls. The long distances of wired backhauls are vulnerable to copper theft, fiber optic damage, vandalism, and accidental breakage. With airFiber, only the installation points of the airFiber links need to be secured.

Innovative Proprietary Modem Technology

Ubiquiti’s innovative proprietary modem technology was purpose-built to address the specific challenges of outdoor, PtP (Point‑to-Point) bridging and high-performance network backhauls. Every aspect of the radio has been carefully simulated and designed to optimize range, speed, and latency performance in the harshest RF noise environments.

Synchronous Data Transmission and Reception

Conventional wireless standards impose a latency by having to receive a packet before a packet is transmitted. airFiber can transmit data synchronously without any wait time. airFiber features traditional TDD and FDD modes of operation in addition to the proprietary Hybrid Division Duplexing (HDD) mode, which provides a breakthrough in range and spectral efficiency performance.

Based on the ranging algorithm built into the air protocol, the airFiber radios use patent-pending HDD technology to calculate the propagation delay and know when each radio can transmit and receive, so they send packets in precise synchronization. Packet transmission latency is virtually eliminated.

Innovative Dual-Antenna Architecture

airFiber features a dual-independent, 2x2 MIMO, high-gain reflector antenna system. Separate transmit (TX) and receive (RX) antennas help extend link budgets by eliminating the extra RF losses caused by the switches or duplexers required in systems with common TX/RX antennas.

Each airFiber radio has two complete antenna systems and a mechanical back‑plane that are constructed as a one-piece “monocoque” molding – a radical departure from industry practice. “Monocoque” means that the exterior skin supports the structural load of airFiber hardware. Due to its single-piece, injection-molded architecture, airFiber adds lightness in weight and affordability to its list of advantages.

airFiber AF24 Radios in Full-Duplex Mode

Network Management

airFiber supports a variety of features to help you manage your network:

• Network management options A choice between the greater security of out-of-band management and the convenience of in-band management.

• SNMP support Full SNMP support to aid in network management.

• Local and remote airFiber status information Available on the Main tab of the airFiber Configuration Interface.  

There are two airFiber models available for the 5 GHz spectrum. The mid-band model, AF-5, features the popular mid-band frequencies, which are freely used in many parts of the world. The high-band model, AF-5U, which can operate in the 5.7 - 6.2 GHz bands, has robust filtering to enable co-location with devices operating in the lower 5 GHz bands while allowing operation at a higher output power in many areas of the world.

Superior Processing

Ubiquiti Networks introduces our proprietary INVICTUS™ core communications processing engine. The speed, power, and efficiency of this integrated circuit enhances the performance of airFiber AF-5/AF-5U.

Efficient Use of 5 GHz Band

airFiber AF-5/AF-5U features 1 MHz center channel resolution with market-leading Power Envelope Tracking technology. The airFiber AF-5/AF-5U accurately and continuously controls transmit power relative to the band edge. The power level automatically tracks to optimize performance near band edges, allowing you to choose the part of the band with the least interference.

Long-Range Links

Newly developed for airFiber AF-5/AF-5U, the patent-pending xRT feature uses an innovative, adaptive multi-channel coding scheme to enhance radio transceiver performance, thereby maximizing your link budget and spectrum utilization – while still maintaining regulatory compliance. This results in links that can span distances from 10 m up to 100+ km.

Quick and Easy Installation

The unique sliding-clamp design of airFiber AF-5/AF-5U allows mounting hardware to be pre‑assembled prior to installation – no more dropped screws at the top of the tower. As an added convenience, the drop-in cradle mount design allows the installer to attach mounting hardware to the pole without having to support the weight of the airFiber radio during installation.

Radio Alignment Display

Newly designed for the airFiber AF-5/AF-5U, the Radio Alignment Display (RAD) makes aiming quicker and easier. The dual, calibrated signal strength indicators display the actual signal strength on the local and remote airFiber radios in real time. The comprehensive array of radio status indicators display the following:

• GPS synchronization status

• Master/slave mode

• RF link status

• RF overload warning

• Current modulation mode

• Link activity and speed for wired management and data ports 

Superior 24 GHz Performance

airFiber AF-24/AF-24HD provides a breakthrough in 24 GHz backhaul performance.

Systems for millimeter-wave frequencies typically experience RF losses when part of the RF is lost in the switches and filters.

The Ubiquiti R&D team eliminated such RF losses with separate yet integrated TX and RX antennas, so the link budget is robust and the airFiber AF-24/AF-24HD has better noise figure and higher transmit power efficiency.  

Two airFiber 24 GHz Models

Two models deliver superior speed with spectral efficiency in the worldwide, license-free, 24 GHz radio band.

The standard model, AF-24, delivers up to 1.5+ Gbps throughput at a range of up to 13+ km.

The heavy-duty model, AF-24HD, provides more throughput at up to 2 Gbps and increased range of up to 20+ km. It also includes a more rugged exterior with a metal reflector, to protect against nature’s harshest elements.

Best-in-Class Performance and Range

Our INVICTUS custom silicon dramatically improves wireless performance. The AF-24HD model supports the dense modulation rates, up to 256QAM, that are required for high data rates, up to 2 Gbps.

The airFiber AF-24/AF-24HD features the most powerful automatic compensation for path loss degradation due to rain fade, so it provides the best range among 24 GHz products and allows for constellation threshold extension. 

Robust Mechanical Assembly

An independent lab has tested the airFiber mechanical assembly to meet MIL-STD-810G, a rigorous United States MIL‑STD (Military Standard) that defines a variety of challenging environmental conditions.

The mechanical assembly has also undergone vibration testing using an extended version of IEC 60068‑2‑6, an environmental standard of the IEC (International Electrotechnical Commission).

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