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Last Updated: Aug 13, 2026
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Ubiquiti continues to disrupt the wireless broadband market with revolutionary technology at breakthrough pricing, by introducing the airFiber® AF-11, a radio purpose-built for outdoor PtP bridging and carrier-class network backhauls using the licensed 11 GHz radio band.
The AF-11 breaks free from the congested 5 GHz band to help meet the growing need for broadband capacity.
For maximum flexibility, the airFiber AF-11 works with the Ubiquiti® AF-11G35 antenna, or with most third-party antennas using an optional adapter kit (not included).
Groundbreaking Design
The AF-11 gives exceptional performance compared to other 11 GHz radios in its price range. Unlike other products that use adaptations of Wi-Fi-based designs, the AF-11 is specially engineered for the 11 GHz band, with a custom modem and radio design optimized for the efficient transport of data.
Product Advantages
True Full-Duplex Design
The AF-11 offers a true FDD solution that fully satisfies all licensing requirements for the 11 GHz band.
Ultra-Low Latency
Overall customer experience and system capacity are enhanced with FDD performance.
Enhanced Robustness
The AF-11 uses managed licensed frequencies to create a robust, interference-free link that provides the maximum possible throughput.
Extended Range
The RF power amplifiers feature a unique bias scheme, allowing high-order constellations at longer ranges.
Channel Configuration
Optimized Channels
The airFiber AF-11 can use single (SISO) or bonded (MIMO) channels, depending on your specific licensing requirements. The AF-11 also features different channel width sizes to suit your deployment needs, and you can independently configure TX and RX channel frequencies.
Reconfigurable Duplexers
The AF-11 features a unique modular duplexer design to suit multiple frequency configurations.
Each AF-11 radio can be configured to support any allowable frequency by simply changing the duplexers (sold separately) for high-band or low-band use in the 10.7 - 11.7 GHz allocation.
Each duplexer has a low channel and a high channel that can be configured by simply reversing the position of the duplexer.
Highest Performance Value
The compact AF-11 supports high-order constellations - up to 1024QAM - allowing it to deliver the greatest spectral efficiency in its class.
Advanced Engineering
Ubiquiti's INVICTUS™ 2 custom silicon and proprietary radio architecture are designed specifically for long-distance, outdoor wireless applications, providing superior performance, long-range capability, and higher delivered throughput.
Deployment Flexibility
The airFiber AF-11 provides a number of deployment options including:
Power Source Options
Support for PoE or DC power gives you the flexibility to power the AF-11 separately from Ethernet traffic.
N-connectors allow the AF-11 to be used with either the Ubiquiti AF-11G35 antenna or a variety of commonly available antennas.
Specially designed silicone boots provide a weatherproof barrier against dust and moisture.
The AF-11 breaks free from the congested 5 GHz band to help meet the growing need for broadband capacity.
For maximum flexibility, the airFiber AF-11 works with the Ubiquiti® AF-11G35 antenna, or with most third-party antennas using an optional adapter kit (not included).
Groundbreaking Design
The AF-11 gives exceptional performance compared to other 11 GHz radios in its price range. Unlike other products that use adaptations of Wi-Fi-based designs, the AF-11 is specially engineered for the 11 GHz band, with a custom modem and radio design optimized for the efficient transport of data.
Product Advantages
True Full-Duplex Design
The AF-11 offers a true FDD solution that fully satisfies all licensing requirements for the 11 GHz band.
Ultra-Low Latency
Overall customer experience and system capacity are enhanced with FDD performance.
Enhanced Robustness
The AF-11 uses managed licensed frequencies to create a robust, interference-free link that provides the maximum possible throughput.
Extended Range
The RF power amplifiers feature a unique bias scheme, allowing high-order constellations at longer ranges.
Channel Configuration
Optimized Channels
The airFiber AF-11 can use single (SISO) or bonded (MIMO) channels, depending on your specific licensing requirements. The AF-11 also features different channel width sizes to suit your deployment needs, and you can independently configure TX and RX channel frequencies.
Reconfigurable Duplexers
The AF-11 features a unique modular duplexer design to suit multiple frequency configurations.
Each AF-11 radio can be configured to support any allowable frequency by simply changing the duplexers (sold separately) for high-band or low-band use in the 10.7 - 11.7 GHz allocation.
Each duplexer has a low channel and a high channel that can be configured by simply reversing the position of the duplexer.
Highest Performance Value
The compact AF-11 supports high-order constellations - up to 1024QAM - allowing it to deliver the greatest spectral efficiency in its class.
Advanced Engineering
Ubiquiti's INVICTUS™ 2 custom silicon and proprietary radio architecture are designed specifically for long-distance, outdoor wireless applications, providing superior performance, long-range capability, and higher delivered throughput.
Deployment Flexibility
The airFiber AF-11 provides a number of deployment options including:
Power Source Options
Support for PoE or DC power gives you the flexibility to power the AF-11 separately from Ethernet traffic.
- PoE power can be supplied on the DATA port, using the provided PoE adapter.
- DC power can be supplied using the terminal block.
N-connectors allow the AF-11 to be used with either the Ubiquiti AF-11G35 antenna or a variety of commonly available antennas.
Specially designed silicone boots provide a weatherproof barrier against dust and moisture.
Main Specification
| General Information | |
| Manufacturer | Ubiquiti Inc. |
| Manufacturer Part Number | AF-11 |
| Manufacturer Website Address | http://www.ui.com |
| Brand Name | Ubiquiti |
| Product Line | airFiber |
| Product Model | AF-11 |
| Product Name | Licensed Backhaul Radio |
| Product Type | Radio Modem |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Physical Characteristics | |
| Height | 12.9" |
| Width | 4.4" |
| Depth | 3.4" |
| Weight (Approximate) | 5 lb |
| Miscellaneous | |
| Package Contents |
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| Additional Information |
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| Certifications & Standards |
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| Warranty | |
| Limited Warranty | 2 Year |
Signal Splitters/Amplifiers
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
