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Networking & WLAN

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Networking & WLAN

By the second half of the 1990s, network technology had become an integral part of our daily lives. It is responsible for networking office computers as well as connecting home PCs and other devices to the Internet. While there are still standalone PCs without network connections for specific industrial tasks, a Wi-Fi router for providing Internet connectivity can be found in almost every household.

For needs beyond reading and writing emails or surfing the Internet on a home laptop, there are many solutions available - from high-speed Ethernet cables to powerline networking and sophisticated NAS (Network Attached Storage) systems for both private and professional use.

From Cables to High-End Network Storage

The range of network technology is vast: It starts with seemingly mundane accessories like Ethernet cables - which come in various lengths, shielding options, and speed classes - and extends to endpoints (network cards, devices), hubs like switches or routers, and specialized solutions like PowerLAN (also known as dLAN), where individual devices communicate via the power line. The physical transmission path can vary, and there are always devices, like home Wi-Fi routers, that combine two or more methods:

  • Ethernet: Usually realized with copper cables, but in professional environments also with fiber optics - widely used, affordable, and very fast as Gigabit Ethernet. The ideal solution for stationary PCs and network storage where high transfer rates are essential.
  • PowerLAN (dLAN): Networking over the 230-volt power grid - typically connecting two or more Ethernet networks via the power grid, but there are also devices that take advantage of wireless networking. With speeds up to 500 Mbps, it is faster than most wireless networks and a good alternative when laying additional cables is not an option.
  • Wireless LAN (WLAN, Wi-Fi): Wireless data transmission according to IEEE-802.11 standards is perfect for all mobile devices. Gross data rates of up to 1,300 Mbps, though the net data rates are always significantly lower, ensure quick response times for gaming and smooth enjoyment of even demanding HD content without the hassle of cables.