WTM 4000 all-outdoor, IP-SDN radio

WTM 4000 is an ultra-high capacity,
all-outdoor microwave radio

It is the FIRST ever radio purpose built for SDN. It meets today’s cost and capacity challenges, and protects you from an uncertain future.

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 Buy this product online!

Did you know you can now purchase the WTM 4000 online in our Aviat Store? Click here to find out more.

Interference is becoming more common, and more difficult to deal with to ensure reliable link operation in poorly regulated or congested frequency environments.

WTM 4000 now includes a built-in spectrum analyzer, which gives you the power to:

  • Detect interference;
  • Determine alternative channel options;
  • Discuss elimination of the source with your regulator; and
  • Deliver your services, reliably.

Find out how to enable this feature in our application note.

Need more info? Email us
Unboxing the WTM 4000
Powering Up the WTM 4000
Overview of WTM 4000 Ports
WTM 4000 – Software Licensing

WTM 4000 benefits

  • Save money – less cost per bit, less power consumed per bit than any other microwave radio. Plus all-outdoor deployments reduces power, space and cooling costs of indoor equipment
  • Meet capacity demands – ultra high capacity to protect your network from pending traffic growth
  • Prepare for the future – supporting a variety of SDN protocols, WTM 4000 is the industry’s first ever radio purpose built for SDN and IP/MPLS networks

The most capable microwave radio ever.

Check out this video for more details about the Aviat WTM 4000.

WTM 4000: The industry’s highest capacity microwave radio

Highest capacity in single transceiver radio, exceptional price / performance with:

  • 2.5Gbps (single radio – 2x112MHz channels)
  • 1.5Gbps (single radio – 2x80MHx channels)

Adaptive dual carrier (A2C+) feature enables 2 channels over single transceiver leading to 2x more capacity than single header radios or ½ the transceiver hardware compared to dual-header radios. Which means, less cost and power consumption per bit… and of course more capacity.

Other capacity features include:

  • 112MHz channels,
  • 4096QAM,
  • Header compression and other capacity enhancement techniques.
  • Support for high capacity multi-channel configurations. For example, link capacities of >1 Gbps can be achieved using 4 x 28MHz channels (4+0), using 2048QAM modulations, for frame sizes of 1518 bytes or less.

WTM 4000 The industry’s highest capacity microwave radio

Pay for use software

WTM 4000 is the first and only radio with optional pay for usage software, so you never have to worry about managing another software feature license ever again.

Achieve lower prices and simplify your life.

Get Quote

Purpose built for SDN

WTM 4000 is the only radio platform prepared for:

  • SDN,
  • Open Flow,
  • Open Daylight,
  • NetConf and
  • YANG

Bottom line is, the WTM 4000 can fit into any operator SDN ecosystem.

Click on image above to zoom in

Automation with AviatCloud

WTM 4000 is integrated with AviatCloud apps to deliver optimum simplicity in design, deployment, and management.


BBNet Chooses Aviat for Rural Broadband in Ireland Case study: BBNet Chooses Aviat for Rural Broadband in Ireland
The biggest deployment challenge for the Aviat link was the region’s topology and configuration of the system for optimal reliability as it transmitted over hilly terrain and farmland. The link also crosses over the Shannon Estuary, which constitutes 16 percent of the path. Reflection is the biggest challenge when transmitting radio frequency over water. It can result in multi-path signals, which can slow the network down considerably. Tidal patterns also were considerations, as changing tides alter thermal conditions and vary the degree of reflection. It is challenging to install a high-capacity link with a high modulation scheme over water.
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How Africell Sierra Leone enhanced the capacity of its 26 link backbone with 4x4 MIMO Case study: How Africell Sierra Leone enhanced the capacity of its 26 link backbone with 4x4 MIMO
Africell Sierra Leone struggled with the lack of spectrum in their region and their subsequent inability to provide high capacity to their radio access network. They needed a cost-effective alternative to connecting fiber to their sites. Aviat proposed solving the capacity constraint using MIMO technology to get the most out of the available spectrum without degrading any performance of the microwave network.
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WTM 4000 built-in spectrum analyzer Application note: WTM 4000 built-in spectrum analyzer
WTM 4000 Spectrum Analyzer feature is a built-in and license-free diagnostic feature to enable the user to check for potential interfering signals and measure the level of interference across the desired frequency range (limited by the diplexer bandwidth) and check the RSL (received signal level) of the interfering signal in 1.4 MHz steps.
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Vodafone Fiji successfully deploys LOS MIMO link using Aviat WTM 4000 solution Case study: Vodafone Fiji successfully deploys LOS MIMO link using Aviat WTM 4000 solution
Vodafone Fiji needed a solution to provide over 2 Gbps of capacity over a distance of more than 6.5 kilometers, but there was only one problem: lack of frequency spectrum. Vodafone only had a single 80 MHz channel allocation in the 11 GHz band. Aviat was able to design a link using their WTM 4000 all-outdoor radio platform, employing Line-of-Sight (LOS) MIMO to quadruple the efficiency of the single available frequency channel.
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Aviat Networks is Leading SDN's Entry into Microwave White paper: Aviat Networks is Leading SDN's Entry into Microwave
Aviat's Proof of Concept with Bouygues Telecom promises automation, OPEX savings...
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WTM 4000 all-outdoor, IP-SDN radio (ANSI) Data sheet: WTM 4000 all-outdoor, IP-SDN radio (ANSI)
The WTM 4000 microwave solution from Aviat Networks delivers ultra-high capacity capability in single or dual-header architecture options, optimized for all-outdoor applications. With up to 2.5 Gbit/s of throughput and cutting edge microwave networking features, such as unique A2C, the WTM 4000 sets a new benchmark for 4G and 5G backhaul requirements.
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WTM 4000 all-outoor, IP-SDN radio (ETSI) Data sheet: WTM 4000 all-outoor, IP-SDN radio (ETSI)
The WTM 4000 microwave solution from Aviat Networks delivers ultra-high capacity capability in single or dual-header architecture options, optimized for all-outdoor applications. With up to 2.5 Gbit/s of throughput and cutting edge microwave networking features, such as unique A2C, the WTM 4000 sets a new benchmark for 4G and 5G backhaul requirements.
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WTM 4000 Adaptive Dual Carrier (A2C) White paper: WTM 4000 Adaptive Dual Carrier (A2C)
This papers describes how Aviat A2C is implemented, and compares this to alternative approaches available in the market today. Please register to download this paper.
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BBNet Chooses Aviat for Rural Broadband in Ireland
BBNet Chooses Aviat for Rural Broadband in Ireland

In March 2020, Ireland was preparing for lockdown, placing additional strain on rural networks. Enter BBnet, an ISP operating in Ireland; Irish Wireless, equipment distributor; and Aviat Networks. The three companies teamed together to design and plan a new link that delivered rural broadband services to parts of County Limerick in a few weeks.

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Aviat's System Gain Advantage and the Positive Impact on your Microwave Network's Total Cost of Ownership
Part 1: Aviat's System Gain Advantage and the Positive Impact on your Microwave Network's Total Cost of Ownership

One of the most significant contributors to the total cost of ownership of a microwave transmission network is the antenna sub-system.

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Digicel and Aviat establish 166km link in Papua New Guinea between its two largest cities
Digicel and Aviat establish 166km link in Papua New Guinea between its two largest cities

In 2015, PNG outlined its Vision 2050, committing the government to promote the social and economic development of the nation by that date. National leaders spoke of W.W. Rostow’s five-stage model of development. The second of those stages is all important: the building of infrastructure necessary for the success of all sectors of economic and social life, which includes manufacturing, technology, transportation, and communication.

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Aviat's WTM 4000 is recognized as the first Telecom Infra Project (TIP)-compliant wireless backhaul multi-band solution
Aviat's WTM 4000 is recognized as the first Telecom Infra Project (TIP)-compliant wireless backhaul multi-band solution

In February, Aviat announced the availability of its transport products that conform to the Telecom Infra Project (TIP) Wireless Backhaul Project Group specification. Aviat’s products include a modular architecture that allows for an integrated multi-band (E-Band + Microwave) solution with open netconf/yang interfaces. The TIP Wireless Backhaul specification was developed by the Wireless Backhaul Project Group within TIP in collaboration with the world’s premier mobile operators, including Axiata, Deutsche Telekom, Telefonica, TIM Brazil, and MTN.

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The Potential Perils of CAT5 and PoE
The Potential Perils of CAT5 and PoE

Most operators of WISP backhaul networks have had difficult experiences with Power over Ethernet (PoE) cabling solutions, affecting both the economics and operations of their networks. Today, Aviat Networks is recommending, with increasing frequency, a dual cable system: fiber to carry data at high speeds, and copper to carry DC power only. This solution offers significant advantages over CAT5 cabling, which carries both data and DC power over a single Ethernet cable.

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Case Study: Vodafone Fiji Successfully Deploys LOS MIMO Link Using WTM 4000 Solution
Case Study: Vodafone Fiji Successfully Deploys LOS MIMO Link Using WTM 4000 Solution
By Stuart Little, Director of International Product Line Marketing

Vodafone Fiji needed a solution to provide over 2 Gbps of capacity over a distance of more than 6.5 kilometers, but there was only one problem: lack of frequency spectrum. Vodafone only had a single 80 MHz channel allocation in the 11 GHz band. Aviat was able to design a link using their WTM 4000 all-outdoor radio platform, employing Line-of-Sight (LOS) MIMO to quadruple the efficiency of the single available frequency channel.

Read post
WISP Blog Series: High Quality Doesn’t Have to Mean High Cost
WISP Blog Series: High Quality Doesn’t Have to Mean High Cost

For new entrants and smaller WISPs, cost is often the major factor in infrastructure procurement. However, many WISPs who used to be in those categories are today enjoying significant growth, prompting them to rethink infrastructure investments as part of their overall business plan.

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Using Microwave to Deliver Rural Broadband to Underserved Communities
Using Microwave to Deliver Rural Broadband to Underserved Communities

By Jim Hong, Director of Wireless Broadband Solutions

The new and exciting news in Government Funding – The latest round of CAF-II has been awarded and now WISPs and Rural Operators are expanding their coverage into rural areas that have little or no Internet access.

What comprises complex rural networks? A combination of microwave Point-to-Point and Point-to-Multipoint technologies are being used to reach remote WISP and Rural Operator customers and deliver high-speed internet: up to 20 Gbps on the backbone and hundreds of megabits per household.

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Richard Webb

Research Director, IHS Markit

I am encouraged to see Aviat's focus on network automation and SDN," says Richard Webb, research director at IHS Markit. "Automation will be an essential tool to simplify networks and reduce OPEX. Support for SDN protocols will be essential to meeting operator goals of standards-based, network-wide automation across microwave and fiber technology as well as core and access network domains

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