When does Cabled Networking make more sense than Wi-Fi?

Wi-Fi is often the first thing people think about when they want to connect to their business network. It is convenient, flexible and essential for laptops, tablets, phones, handheld scanners, guest access, meeting rooms and shared working spaces. 

Modern Wi-Fi is also extremely capable. Wi-Fi 6 and 6E have improved capacity, efficiency and performance in busy environments, while Wi-Fi 7 brings further improvements in speed, responsiveness and reliability that can be on par with, or in some cases better than, some cabled solutions. 

However, Wi-Fi should not be treated as a replacement for cabled networking in every situation. 

For many businesses, the question should not be “Wi-Fi or cable?”.  

It should be: which connection is best for each device, role, location and business requirement? 

 

Cabled networking is still the backbone of a reliable business network 

Let’s start by acknowledging the elephant in the network cupboard… you cannot have Wi-Fi without some form of cabled infrastructure sitting behind it. 

A cabled network usually means structured Ethernet cabling that connects desks, PCs, laptops, docks, switches, servers, wireless access points, phones, printers, CCTV, production systems and other business-critical devices. 

Ethernet remains a crucial backbone for local area networks. Different devices can connect at different speeds where higher data throughput is required, while many switches can also deliver Power over Ethernet, often known as PoE, to power devices such as desk phones, CCTV cameras, speakers, wireless access points and more. 

The biggest advantage of Ethernet is its reliability. A properly installed network point gives a device a direct physical connection into your business infrastructure. It is not competing for wireless airtime on a densely populated wireless network, and it is less affected by walls, racking, machinery, neighbouring networks, busy rooms and many other environmental challenges. 

So… every device should be cabled, right? 

Not quite. 

 

The right connection depends on the use case for your business and its users 

Your business network should not be planned as an either-or solution. It should be designed around the way your business actually operates. 

That means looking at which devices need mobility, which devices are fixed, which systems are business-critical, and which areas of your business depend on consistent performance throughout the working day. 

Wi-Fi performance can look impressive on paper. “Wow, I can get 1Gbps Wi-Fi speed…” sounds great, but real-world performance depends on signal strength, interference, building layout, access point placement and how many devices are using the same wireless space. 

All of these considerations matter when your business depends on video calls, cloud systems, large file transfers, design files, databases, line-of-business applications or real-time operational systems. 

Well-designed wireless networks can be excellent, but for fixed devices that need a stable and predictable connection, cabled networking is often the stronger choice. 

Where does cabling make sense? 

In some environments (such as manufacturing) these decisions could be made for you, with many large machines, production line terminals, machine control systems, printers, quality control workstations, CCTV cameras, time and attendance systems, and fixed PC’s used on the shop floor that may require Ethernet connectivity to operate and talk to your wider network infrastructure. If a workstation is tied to a specific production process, the network connection should be as reliable as possible. 

In logistics and warehousing, cabled networking can be essential for a wide range of different areas of the business across support packing benches, dispatch stations, warehouse management system terminals, wireless access points, VoIP phones, CCTV, access control, label printers and fixed inventory scanning locations. High racking, metal shelving, loading bays, mezzanines, cold storage areas, thick walls and long distances between work zones can often cause interference with poorly planned and configured wireless networks which can lead to “Wi-Fi Dead Zones”. Handheld scanners, tablets and devices that are regularly moved from workstation to workstation may still need Wi-Fi, but it is important to remember that the infrastructure behind them should usually be cabled wherever possible to guarantee connectivity. 

For office-based professional services, cabled networking often makes sense for desktop workstations, meeting room equipment (such as teleconferencing equipment, VoIP phones, finance systems, document management platforms, printer scanners (MFP’s) and large file workflows that could involve large quantities of data being communicated over the network or reliable continuous database access. Accountants, law firms, real estate businesses, architects, consultants and other professional services often rely on real time access to cloud platforms, shared files, case management systems, CRM systems and Microsoft 365 throughout the day. Whilst modern Wi-Fi will be more than suitable for many of these modern workflows, where people work from fixed desks or handle large volumes of data, cable can provide a more consistent experience. 

 

A strong wireless network is usually built on a strong wired backbone 

“There sure are a lot of wires in wireless networking!” – Equinix

Wi-Fi may be the perfect solution for many use cases across your business, but it still needs to be planned properly. 

Wireless networks should be carefully mapped out, with access points connected directly into your core network wherever possible, rather than relying on wireless repeaters or poorly placed equipment. 

This is why cabled networking and Wi-Fi should be considered together. Your access points may deliver the wireless experience your team depends on, but those access points still need reliable connectivity back into your network. 

A strong wireless network is often built on a strong wired foundation. 

 

Not all cable connections are created equal 

Cabled networking is not only about connectivity. 

Power over Ethernet, often known as PoE, allows a single network cable to provide both data and power to compatible devices. This can be particularly useful for wireless access points, VoIP phones, CCTV cameras, door access systems, speakers, sensors and other network-connected equipment such as IoT devices (Example: Raspberry Pi).

For warehouses, offices, factories and multi-site environments, this can make installation and management much simpler. 

Devices can be placed where they are needed, rather than only where power sockets are available. Instead of separate power and network connections, a single cable can provide both power and connectivity for compatible devices. 

 

Wi-Fi still makes the most sense for many use cases 

Of course, Wi-Fi still has an essential role to play. It is how the vast majority of many business devices connect to business networks and is usually the perfect choice when mobility and flexibility are the priority. Laptops, tablets, smartphones, handheld scanners, roaming warehouse devices, guest access, meeting rooms, shared workspaces and flexible working areas all depend on strong wireless connectivity. 

In a logistics or warehouse environment, Wi-Fi is essential for mobile scanning and real-time stock movement.  

In manufacturing, workers and supervisors may need tablets, smartphones or scanners to be connected to a business network while moving between production areas.  

In professional services (accounting, law, real estate, recruitment and more), people expect to move between desks, meeting rooms and breakout spaces without losing access to the systems they need. 

The key consideration in all these examples is to use Wi-Fi where wireless connectivity genuinely supports the way people and devices need to work, enabling them with the tools and freedom to work effectively wherever they need to be. 

  

Connectivity: Not an Either/Or Solution 

The strongest approach is a hybrid network design that uses structured cable networking and Wi-Fi together where it makes most sense for your business operations 

Cabled networking is best suited to fixed devices, core infrastructure, access points, servers, switches, security systems, printers, high-use workstations, meeting room equipment and other systems where consistency matters. 

Wi-Fi is best suited to flexible working environments, mobility, shared working spaces, guest access, and devices that cannot reasonably be connected by cable. It is worth noting that many modern laptops do not come with an Ethernet port as standard, however their Thunderbolt or USB-C ports are capable of network connectivity via a USB-C adapter or Docking Station that can be used to also connect to external displays and provide additional functionality. 

When both are planned properly, the cabled network provides backbone and foundation for devices that require consistent connectivity, while the wireless network enables people and devices the freedom to work wherever they need to. 

 

How can TwentyFour IT Services support your business? 

TwentyFour IT Services work with businesses to plan, implement and support reliable wired and wireless networks that are built around how they actually work, enabling them to succeed through their technology. 

Your business network should be designed to evolve with your business. What worked five years ago may no longer be suitable for how your business and its team members operate, a busier warehouse, a more connected factory or an office environment which requires consistent connectivity for calls and high volume data access may now require higher data transfer speeds than it did five years ago. 

This is why we work with businesses to review their existing infrastructure, identifying weak points, planning structured cabling, improving Wi-Fi coverage, separating guest and internal networks, supporting warehouse and manufacturing environments, configuring switches and firewalls, and even remote access policies, ensuring that your business network is configured for modern cloud first services, prioritises cyber security and business continuity requirements. 

Businesses depend on stable systems, secure access, continuous connectivity and consistent performance. The right cable in the right place or Wi-Fi access where there currently isn’t any can make a major difference. 

To find out more about how TwentyFour can work with you and your business to ensure you have the right connectivity to enable your business to succeed, reach out today. 

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