Copper network modules

Copper network modules, commonly known as SFP to RJ45 transceivers, are essential components used to connect fiber-optic networking equipment to copper-based Ethernet infrastructure. These modules allow network administrators to utilize existing Cat5e, Cat6, or Cat6a cabling within a high-speed networking environment. They are typically inserted into an SFP or SFP+ port on a switch, router, or network interface card to provide a standard RJ45 copper interface. By converting the electrical signals from the copper cable into a format compatible with the switch's internal architecture, these modules facilitate seamless communication between different media types. They are widely chosen for their cost-effectiveness and ease of deployment in local area networks where short-distance connectivity is required. These devices support various data rates, including 10/100/1000 Mbps and 10Gbps, depending on the specific model and infrastructure requirements.

Use cases of copper network modules

Copper network modules are utilized in various professional and enterprise networking scenarios:

• Connecting servers or workstations to core switches using existing copper cabling.
• Extending network connectivity in office environments where fiber-optic cabling is not installed at every desk.
• Bridging the gap between legacy copper-based equipment and modern fiber-capable network switches.
• Providing flexible uplink options for small to medium-sized business networks.

Types of copper network modules

These modules are categorized based on their technical specifications and compatibility:

• 1G SFP Copper Modules: Designed for standard Gigabit Ethernet connections over RJ45 interfaces.
• 10G SFP+ Copper Modules: Engineered for high-speed 10 Gigabit Ethernet applications, requiring Cat6a or higher cabling.
• Multi-rate Modules: Capable of auto-negotiating between different speeds, such as 10/100/1000 Mbps.

Key features to consider

When selecting a module, consider the following technical aspects:

• Data Rate: Ensure the module matches the speed requirements of your switch port and cabling infrastructure.
• Cable Distance: Most copper SFP modules are limited to a maximum distance of 100 meters.
• Compatibility: Verify that the module is compatible with your specific switch or router brand to ensure proper functionality.
• Power Consumption: High-speed modules may consume more power, which should be considered in high-density switch configurations.

How to choose copper network modules

Selecting the right module involves evaluating your current network setup. First, identify the port type on your networking hardware, such as SFP or SFP+ slots. Second, determine the required bandwidth for your application to choose between 1G or 10G modules. Third, check the cabling standard currently installed in your facility, as 10G copper modules often require Cat6a or Cat7 cables to achieve full performance. Finally, ensure the module is compatible with the manufacturer of your network switch to avoid connectivity issues.

Which network transceiver modules are the most popular and affordable in 2026?

The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:

• SFP Fiber Optic Transceiver Lanview MO-UF-MM-1G 1000 Mbit/s LC 850 nm for 14.49€
• SFP Module TP-Link TL-SM321A 1000Base-BX WDM 1250 Mbit/s for 23.99€
• Network Transceiver Module Zyxel SFP-SX-D 1000 Mbit/s 850 nm for 48.99€
• Fiber optic transceiver module BlueOptics BO35J13610D 10000 Mbit/s SFP+ 1310 nm for 50.49€
• LevelOne DAC-0103 10Gbps SFP+ Direct Attach Copper Twinax Cable, 3m for 57.49€

Why is it worth buying network transceiver modules at AiO.lv?

At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: Cisco, D-Link, Dell, HP, IBM, INTEL, Lenovo, LINKSYS, Netgear, PLANET, TRENDNET, Zyxel, DIGITUS, OEM, TP-LINK, HUAWEI, PROLABS, JUNIPER, UBIQUITI, INTELLINET. When you shop with us, you get:

• official warranty and guaranteed quality;
• convenient payment options (including installment and credit);
• fast and reliable delivery across Latvia and to any EU country.

FAQ

Where can you find a network transceiver modules with cheap prices?

You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.

What is the delivery time for network transceiver modules?

If you place your order today, delivery will take between 1 and 5 business days depending on the chosen method.

How long is the warranty period for network transceiver modules?

Our store provides an official manufacturer’s warranty ranging from 12 to 36 months, depending on the model and brand. If needed, you can always contact our customer service department or the manufacturer’s authorized service center for support.

Are network transceiver modules purchasable with leasing?

Yes, if the selected product costs more than €50. You can learn more about installment purchase options and the terms of application on the Payment page.

Can network transceiver modules be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and throughout Europe. All product prices are shown with VAT included. In certain cases, a 0% VAT rate may apply — for example, when purchasing from other EU countries with a valid VAT number. We issue an invoice immediately after the order is placed, support BIS electronic invoices, and automatically generate all required accounting documents. To complete a purchase for a company, simply select the company profile during checkout.