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Networks

Better on the best network

Deutsche Telekom is building the network for Germany. It consists of mobile networks and 5G as well as optical fiber. Choose a topic and get information about our technologies and projects.

A bundle of fiber optic cable

What is optical fiber?

We explain how fiber optic technology works and what speeds it enables users to surf the Internet.

glass-fiber

How does glass fiber work?

Do you know how thick or thin a glass fiber is? And why it works so fast? #Netzgeschichten eplains.

Optical fiber.

Fiber optics

Fiber optics transports large amounts of data in very short times.

5G

Basic information on the 5G network

What is 5G? We present interesting facts and show the advantages of 5G technology.

Connected Car

Data transmission in real time

Real-time data communication based on 5G speed will play a key role in many applications in the future.

A hand is holding a 5G smartphone

5G is rolling out and around in Europe

An overview of the 5G roll-out progress in European national companies.

Abdu Mudesir, Board member for Product and Technology

DT as an innovation leader: from 5G Standalone to 5G Advanced

An article by Abdurazak Mudesir, CTO Telekom Deutschland GmbH and Deutschen Telekom AG.

AI-Agent “RAN Guardian Agent” supports network management by enabling faster responses and more resilient network operations.

AI agents for mobile network

The “RAN Guardian Agent” supports network management teams in troubleshooting.

News on network expansion

Current articles and videos about Deutsche Telekom's network expansion - mobile and fixed-line, above and under ground. With „choose topic“ you can filter the articles and get the latest news on your topic of choice. 

Your choice

Telekom and Starlink

Media

Telekom closes the last whitespots in Europe with...

3 days

The picture shows a young man in a beige jacket. He holds the Leica Leitzphone powered by Xiaomi.

Media

Exclusively at Deutsche Telekom: The new Leica Leitzphone powered by Xiaomi

4 days

Illustration: "MINDR – Multi-Agentic Network Intelligence"

Media

Deutsche Telekom and Google Cloud Collaborate for...

1 week

Illustration: "Full Stack Energy Efficiency"

Media

Telekom pioneers new cloud approach: Up to 65...

1 week

Illustration: Teleportation via fiber optics in Berlin

Media

Deutsche Telekom and Qunnect Successfully Test Quantum Teleportation Over Live Berlin Network

2 weeks

Magenta Security Mobile.ID

Media

Deutsche Telekom turns smartphones into master keys

2 weeks

Easy and simple

What does the abbreviation FTTH stand for? What’s the difference between fiber-optic and LTE? We explain the key topics connected to Deutsche Telekom network expansion. 

glass-fiber

How does glass fiber work?

Do you know how thick or thin a glass fiber is? And why it works so fast? #Netzgeschichten eplains.

Netzgeschichten

A technician cuts individual optical fibers using pliers.

Fiber-optic cable as the optical waveguide for fast internet

How is a fiber-optic cable structured? How do optical waveguides work? How are optical waveguide cables laid? Learn more about...

Easy and simple

Fast, reliable, high-speed internet is an important prerequisite for meeting the digital demands of tomorrow.

Fiber-optic connections

Fast, reliable, high-speed Internet is an important prerequisite for meeting the digital demands of tomorrow.

From FTTC to FTTH

Further information

On these pages you will find our online special on politics and regulatory affairs as well as download material for media.

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