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Ubiquiti airFiber AF-4X 4.9 GHz Backhaul Radio - Complete Link

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28/02/2020 £641.30 exc. VAT
769.56 inc. VAT
Availability:In stock for next day delivery
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Key Features
  • 500+ Mbps Real Throughput
  • 200+ km Range
  • Optimal Use of 4.9 GHz Radio Band

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Please Note: As the 4.9ghz frequency isn't a standard UK frequency.

Ubiquiti airFiber AF-4X 4.9 GHz Backhaul Radio - Complete Link

The Ubiquiti airFiber 4X is Ubiquiti’s first licensed spectrum radio designed for the public safety sector. The AF-4X meets the growing need of broadband capacity and optimizes use of the 4.9 GHz radio band with its industry-leading spectral efficiency and TDD throughput.

AF-4X Key Features

  • Up to 500+ Mbps Real Throughput, Up to 200+ km Range
  • Optimal Use of 4.9 GHz Radio Band for Public Safety Sector
  • Ubiquiti’s INVICTUS™ Custom Silicon

The AF-4X allows you to customise airFiber backhaul links or upgrade existing Rocket Point to Point (PtP) links. Deploy the high-performance and reliable AF-4X for municipal applications, including police, fire, and emergency medical services.

Engineered for Performance
Ubiquiti’s INVICTUS custom silicon and proprietary radio architecture are designed specifically for long-distance, outdoor wireless applications.
Engineered for Performance

Deployment Flexibility
The compact form factor allows the airFiber X to be used with airFiber Slant 45 antennas, or instantly upgrade a 5 GHz Rocket™link that uses a RocketDish™RD‑5G30/RD‑5G34* antenna.

Carrier Backhaul for the World
Deploy the 2.4, 3, 4, 5 or 11 GHz model that meets your specific spectrum requirements, anywhere around the world. The airFiber X features multiple channel width options to suit your deployment needs – up to 11 different channel sizes available for the AF-2X or AF-3X.
Carrier Backhaul for the World

Optimal Operation and Channel Configuration
Channel width flexibility allows you to independently configure TX and RX channel frequencies and place them anywhere within the radio band to avoid local interference. You also have the ability to program different uplink and downlink duty cycles to support asymmetric traffic requirements.
Optimal Operation and Channel Configuration

Ubiquiti airFiber 4X Technical Specification


  • Dimensions:
    - Radio: 224 x 82 x 48 mm (8.82 x 3.23 x 1.89")
    - Box: 261 x 107 x 107 mm (10.28 x 4.21 x 4.21")
  • Weight:
    - Radio: 0.35 kg (0.77 lb)
    - Box: 1.1 kg (2.43 lb)
  • RF Connectors:
    - (2) RP-SMA Weatherproof (CH0, CH1)
    - (1) SMA Weatherproof (GPS)
  • GPS Antenna: External, Magnetic Base
  • 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 (-)
  • Max. Power Consumption: 15W @ Max. Power/Duty Cycle
  • Supported Voltage Range: +18 to +54VDC
  • Mounting:
    - airFiber X Mount (Rocket Mount Compatible)
    - GPS Pole Mount (Included)
  • Certifications: CE, FCC, IC
  • Operating Temperature: -40 to 55° C (-40 to 131° F)

Networking Interface

  • Data Port: (1) 10/100/1000 Ethernet Port
  • Management Port: (1) 10/100 Ethernet Port


  • Processor: INVICTUS IC
  • Maximum Throughput: 687 Mbps
  • Maximum Range: 200+ km
  • Encryption: 128-bit AES
  • OS: airOS® F
  • Wireless Modes: Master/Slave
  • Latency Half Duplex Mode: < 2 ms at Full Throughput
  • MTU (Maximum Transmission Unit): Up to 9600


  • Frequency Range:
    - FCC: 4940 - 4990 MHz
    - IC: 4940 - 4990 MHz
    - ETSI: 4700 - 4990 MHz
    - Other Regions: 4700 - 4990 MHz
  • Max. Conducted TX Power: 29 dBm (Dependent on Regulatory Region)
  • Frequency Accuracy:
    - ± 2.5 ppm without GPS Synchronisation
    - ± 0.2 ppm with GPS Synchronisation
  • Channel Bandwidth:
    - 3.5/5/7/10/14/20/28/30/40/50/56 MHz Selectable
    - Programmable Uplink and Downlink Duty Cycles

Suggested Max. TX Power

  • 8x: 21 - 22 dBm
  • 6x: 23 - 24 dBm
  • 4x: 25 - 26 dBm
  • 2x: 29 dBm
  • 1x: 29 dBm

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