Part Number: RTL8211EG-VB-CG

Manufacturer: REALTEK

Description: Integrated Ethernet Transceiver

Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us


There is a good possibility that you are familiar with the Realtek RTL8211EG-VB-CG or one of its variants, such as the RTL8211E-VB-CG, if you work in the field of networking or embedded systems. These highly integrated Ethernet transceivers are an essential component in both the transmission and reception of high-speed data over UTP cables, and they play a critical part in both processes. In this in-depth study, we will look into the RTL8211EG-VB-CG, exploring its features, applications, as well as the technology that lies behind its powerful performance.

Understanding the RTL8211EG-VB-CG

The RTL8211E-VB-CG, RTL8211E-VL-CG, and RTL8211EG-VB-CG are all Ethernet transceivers that are highly integrated and built to meet the strict requirements of IEEE 802.3. These standards include 100Base-TX, 10Base-T, and 1000Base-T, among others. These components are required for the establishment of dependable Ethernet connections. They make it possible for data packets to be delivered and received through CAT.5 UTP (Unshielded Twisted Pair) cables.

These transceivers are distinguished from others on the market by their innovative technology, which features state-of-the-art DSP (Digital Signal Processing) as well as an Analog Front End (AFE). These technological advancements cooperate with one another to make high-speed data transmission and reception possible through UTP connections. Let’s get into more depth about the most important aspects and capabilities of these transceivers:

Speed and Compatibility

  • The RTL8211EG-VB-CG’s compatibility with the 100Base-TX,  10Base-T, and 1000Base-T standards allows it to be utilized in a wide range of network configurations.
  • It can transmit and receive Ethernet packets across CAT 5 UTP connections, ensuring reliable communications.

Advanced Technology

  • This transceiver is capable of high-speed data transmission and reception via UTP cables as a result of its utilization of cutting-edge DSP technology as well as an analog front end (AFE).
  • It features important functionalities such as Polarity Correction, Crossover Detection and Auto-Correction, Cross-Talk Cancellation, Adaptive Equalization, Timing Recovery, Echo Cancellation, and Error Correction. The combination of these features guarantees reliable performance at transfer rates of 10 Mbps, 100 Mbps, or even 1000 Mbps.

Interface Options

  • Depending on the particular variation, the data transmission that takes place between the MAC (Media Access Control) and the PHY (Physical Layer) is carried out using either the Reduced Gigabit Media Independent Interface (RGMII) or the Gigabit Media Independent Interface (GMII).
  • The RTL8211EG-VB-CG is capable of accommodating a wide range of system needs because to its support for numerous signaling voltage levels, including 3.3V or 2.5V for RGMII/GMII and 1.5V for RGMII.

Energy Efficiency and Wake-on-LAN

  • It complies with IEEE 802.3az-2010, which is referred to as Energy Efficient Ethernet, and thus helps reduce the amount of power consumed during times of low network activity.
  • In addition to its other energy-saving features, it has Wake-on-LAN (WOL) capability built right in, which enables remote network activation.

Additional Features

  • The transceiver provides choices for reducing power consumption, as well as support for interrupt functions, parallel detection, and baseline drift correction.
  • Green Ethernet mode, which is available in combinations of 1000/100Mbps, cuts power usage even further.
  • The fact that it already has a switching regulator built into it makes it a space-saving and energy-conserving solution.

Applications of RTL8211EG-VB-CG

Due to the extensive capabilities and features it possesses, the RTL8211EG-VB-CG Ethernet transceiver is a flexible component that, as a result, can be put to use in a wide variety of business settings and other contexts. The following are some frequent and significant usage cases:

  • Network Interface Adapter: In network interface adapters, the RTL8211EG-VB-CG plays the role of a crucial component, making it possible for devices to set up Ethernet connections that are both reliable and seamless. This is absolutely necessary for the transmission of data and the communication that takes place in modern networks.
  • Media Access Units (MAU): When it comes to facilitating communication over Ethernet, MAUs heavily rely on the RTL8211EG-VB-CG. In settings requiring several devices to share a single network medium, such as those found in networking setups, these units play an essential role. The performance of the transceiver guarantees that there will be no disruptions to the flow of data between the linked devices.
  • Communication and Network Risers (CNR): The RTL8211EG-VB-CG is critical in establishing and maintaining network connectivity in applications involving Communication and Network Risers (CNR). CNRs are frequently utilized when communication infrastructure must be increased or extended.
  • Game Consoles: The RTL8211EG-VB-CG is used in modern game consoles for online multiplayer gaming and content streaming. The high-speed data transmission capabilities of the transceiver are critical for providing an immersive gaming experience and seamless access to online content.
  • Printers and office equipment benefit from the RTL8211EG-VB-CG’s Ethernet features, which enable network printing, scanning, and data sharing inside an office setting. This feature promotes efficiency by streamlining office procedures.
  • DVD Players and Recorders: The RTL8211EG-VB-CG offers network connectivity for DVD players and recorders in the field of home entertainment. Users can use this connectivity to access online content, execute firmware updates, and improve their home entertainment experience.
  • Ethernet Hubs and Switches: The RTL8211EG-VB-CG is compatible with Ethernet hubs and switches. These devices are critical components of network architecture because they let various devices to connect and communicate inside a local network. The dependability and interoperability of the transceiver contribute to effective network administration.

To summarize, the RTL8211EG-VB-CG is a versatile Ethernet transceiver having applications in a variety of industries. Its high-speed data transmission capabilities, energy-saving features, and support for several Ethernet standards make it an important component of current networking solutions ranging from office environments to home entertainment systems and beyond.


In summary, the Realtek RTL8211EG-VB-CG and its counterparts in the RTL8211E/EG series offer exceptional Ethernet connectivity solutions. Their wide support for Ethernet standards, advanced DSP technology, and energy efficiency make them vital for networking and embedded systems.

Whether you’re a network professional, hardware developer, or just curious about networking technology, understanding the RTL8211EG-VB-CG is crucial. This guide has provided a comprehensive overview for you to harness its power.

For more information and to order, contact ICRFQ, your reliable supplier of Chinese electronic components. Elevate your networking projects – connect with us today!

4.8/5 - (397 votes)
Kevin Chen