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Ubiquiti UniFi airFiber 3 GHz Radio
Ubiquiti UniFi airFiber 3 GHz Radio
Ubiquiti UniFi airFiber 3 GHz Radio

Ubiquiti UniFi airFiber 3 GHz Radio

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Create the endpoint of a high-performance, Point-to-Point (PtP) bridge or network backhaul.

Pair an airFiber® X antenna with an airFiber X radio to create the endpoint of a high-performance, Point-to-Point (PtP) bridge or network backhaul (airFiber X radio sold separately). The airFiber X antenna delivers 2x2, dual-polarity performance. On the right is one example of how the airFiber X antenna with an airFiber X radio can be deployed as endpoints in a backhaul link to deliver bandwidth from a WISP network out to a neighborhood tower. From there, an airMAX® Sector antenna with a Rocket® radio delivers bandwidth to the WISP’s customers.

The AF-3X features industry-leading spectral efficiency, line‑rate data packet processing for up to 500+ Mbps of real data throughput, and innovative xtreme Range Technology (xRT™) for up to 200+ km in range.


AF-3X - Ubiquiti UniFi airFiber 3 GHz Radio

Product Features:

  • 2x2 dual-polarity performance
  • Compatible with the airFiber® X antenna
  • 200+ km transmission range with xtreme Range Technology (xRT™)
  • Powered with the included 24V, 1A PoE Gigabit adapter
  • (1) 10/100 Ethernet port
  • (1) 10/100/1000 Ethernet port
  • Line-rate data packet processing that yields a 687 Mbps maximum throughput
  • 17W maximum power consumption

airFiber 3 GHz Radio

224 x 82 x 48 mm (8.82 x 3.23 x 1.89")
261 x 107 x 107 mm (10.28 x 4.21 x 4.21")

0.35 kg (0.77 lb)
1.1 kg /2.473 lb)
GPS Antenna External, Magnetic Base
RF Connecstors (2) RP-SMA Weatherproof (CH0, CH1)
(1) SMA Weatherproof (GPS)
Operating Frequency 3300-3900 MHz (Dependent on Regulatory Region)
Power Supply 24V, 1A PoE Gigabit Adapter (Included)
Power Method Passive Power over Ethernet Pins 1, 2, 4, 5 (+) and Pins 7, 8, 3, 6 (-)
Maximum Power Consumption 17W @ Max. Power/Duty Cycle
Supported Voltage Range +18 to +54VDC

airFiber X Mount (Rocket Mount Compatible)
GPS Pole Mount (Included)

Certifications CE, FCC, IC
Operating Temperature -40 to 55° C (-40 to 131° F)
Data Port (1) 10/100/1000 Ethernet Port
Configuration Port (1) 10/100 Ethernet Port
Maximum Throughput 687 Mbps
Maximum Range 200+ km
Encryption 128-bit AES
Operating System airOS F
Packets per Second 1+ Million
Wireless Modes Master/Slave


Half Duplex Mode

< 2 ms at Full Throughput
MTU (Maximum Transmission Unit) Up to 9600
Radio Frequency
Max TX Power 29 dBm (Dependent on Regulatory Region)
Frequency Accuracy ± 2.5 ppm without GPS Synchronization ± 0.2 ppm with GPS Synchronization
Channel Bandwidth 3.5/5/7/10/14/20/28/30/40/50/56 MHz Selectable
Programmable Uplink and Downlink Duty Cycles Independently Programmable TX and RX Frequencies

Device Type
Device Features
Outdoor, PoE Powered, Managed
Wireless System
Ethernet Ports
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