RJ45 Ethernet Extension Cable in Cat5e and Cat6 Grades with Lengths from 1.5 to 25 Metres

When your computer, games console, or network printer sits just out of reach of the nearest Ethernet port, running a whole new cable from the router can be inconvenient. This RJ45 extension cable offers a straightforward fix. With its standard male and female connectors, it acts as a simple bridge, extending your existing network connection by the exact length you need. Available in two common performance standards—Cat5e and Cat6—and two shielding types, it provides a tailored solution for different home or office setups. The choice of nine specific lengths, starting at 1.5 metres for a short desk-side extension and going up to 25 metres for spanning across rooms, gives you precise control over cable management and device placement.

Features and Construction

This extension cable is defined by its core technical specifications, which determine its suitability for your network. The product listing provides clear options for performance category, internal construction, and physical length, allowing you to match the cable to your specific requirements.

Material and Build

The cable's outer jacket is constructed from PVC (Polyvinyl Chloride), a common material chosen for its balance of durability, flexibility, and cost-effectiveness in network cabling. Internally, the cable is offered in two performance grades: Cat5e and Cat6. Cat5e cables are designed to support Ethernet speeds up to 1 Gigabit per second (Gbps) at 100 MHz bandwidth, while Cat6 cables support the same 1 Gbps speed but are rated for higher bandwidth (250 MHz) and can support 10 Gbps over shorter distances. Furthermore, each grade is available with two shielding options: UTP (Unshielded Twisted Pair) and STP (Shielded Twisted Pair). UTP is sufficient for most home environments, while STP includes additional foil or braid shielding to reduce electromagnetic interference, which can be beneficial in offices with dense electronic equipment.

Size and Practical Fit

The most immediately practical choice is the cable length. The product is available in nine discrete measurements: 1.5m, 2m, 3m, 5m, 8m, 10m, 15m, 20m, and 25m. This range covers everything from a minimal extension under a desk (1.5m or 2m) to a run that can connect a device in a different part of a room or even an adjacent room (15m to 25m). Selecting the correct length avoids excess cable clutter or, conversely, a cable that is too short to reach. Both ends of the cable terminate in standard RJ-45 connectors—one male plug and one female socket—creating a simple in-line extension.

Uses and Placement

An extension cable's primary role is to provide physical reach, but the choice of category and shielding influences its best application. Understanding these options helps you deploy the cable effectively, whether for a temporary fix or a more permanent solution.

Event or Professional Use

In temporary setups like events, trade shows, or pop-up offices, running fixed infrastructure is often not possible. A selection of these extension cables in various lengths allows for quick network deployment to different booths or workstations from a central switch. For professional environments with many devices or potential sources of interference from power cables or machinery, the Cat6 STP variant would be the appropriate choice. Its higher-specification construction and shielding help maintain a stable, high-speed connection in electrically noisy conditions, which is crucial for data reliability in commercial settings.

Everyday Home Use

For most residential applications, such as connecting a desktop PC in a study, a smart TV in the lounge, or a games console, the Cat5e UTP variant in a suitable length (e.g., 3m, 5m, or 8m) is typically sufficient and cost-effective. It reliably supports high-speed internet, online gaming, and HD video streaming. The extension function is ideal when furniture arrangement means the device's built-in Ethernet cable doesn't quite reach the wall socket, or when you need to temporarily reposition equipment without uninstalling the primary fixed cabling.

Benefits and Buying Value

The value of this product lies in its specificity and the avoidance of over-engineering. By offering clear options, it enables you to buy precisely what you need without paying for unnecessary performance or excess cable length.

Reuse and Low Maintenance

As a passive network component, an extension cable requires virtually no maintenance. There is no software to configure or power adapter needed. Its simple design means it can be reused indefinitely across different devices and locations. If you upgrade your home network or move home, the cable can be unplugged and redeployed elsewhere. The PVC jacket is resistant to general wear and tear from handling, contributing to its longevity in typical indoor use.

Why Choose This Product

This product stands out for its clear presentation of technical choices. Instead of offering a single, generic cable, it provides specific options for performance (Cat5e/Cat6), interference protection (UTP/STP), and most importantly, length. This allows for a tailored purchase. You can select a 2-metre Cat5e UTP cable for a simple desk extension or a 15-metre Cat6 STP cable for a more demanding, longer-distance run in a commercial space. The explicit length list prevents guesswork, ensuring you get a cable that fits your space without wasteful excess.