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Networks

We are the 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.

220921-Whats-new-Claudia-EN

Claudia Nemat „Fiber optic earth rocket"

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.

A group of young people taking a selfie against a rural backdrop by the lake.

5G roll-out: Some stand alone, we stand together

5G SA is another stage of the latest mobile communications standard. What are the differences to the...

240124-whats-new-CN-16

AI phone | What's new Claudia?

The picture shows a transmitter mast in a model of an exhibition booth.

Cell Tower to Go at MWC 2024

Deutsche Telekom presents the latest version of the ultra-mobile transmission mast for temporary mobile...

Deutsche Telekom has installed the 5G campus network on the RTL studios site in Cologne-Deutz.

5G Campus Network for RTL

The media company RTL Deutschland now has its own 5G standalone network, which makes television...

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

Experience innovation: Cologne in the spirit of Digital X.

Media

Digital X 2024: Setting the stage for innovation,...

2 weeks

Hochschule Merseburg

Media

5G campus network for Merseburg University of Applied Sciences

2 weeks

Hand holding smartphone displaying news

Company

Five Tips for Dealing with Disinformation

2 weeks

Young woman checking messages on her smartphone.

Company

Five Tips Against Hate Speech

2 weeks

TikTok star DI1ARAA had a clear advantage over BigSpin in the Fortnite game thanks to the 5G+ Gaming Option

Media

Gamescom 2024: Deutsche Telekom presents 5G...

3 weeks

aerial photo: VW plant in Emden with automotive terminal

Media

Deutsche Telekom innovations for automated...

5 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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