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Additional cards & MultiSIM

More flexibility when making calls and surfing the web with additional cards

Whether you need a data plan with up to 400 GB of data volume for your mobile router or additional MultiSIMs to use your mobile phone plan in other devices – all options are open to you.

A team consisting of three people. Two are talking, while the third is working on a laptop.

Overview of supplementary cards

  • Mann sitzt in einer mobilen Arbeitsumgebung und arbeitet mit einem Laptop.

    Mobile Wi-Fi router

    Wi-Fi to go: our mobile routers provide you with high-speed internet anywhere in Germany.

    About mobile routers
  • Four people in a meeting room.

    Discounted mobile phone tariffs for your team

    Do you require additional SIM cards for your team and want to save money at the same time? Then team cards are just right for you and your business. Simply add them to your mobile phone contract and benefit from attractive discounts starting with the second card.

    To the team cards
  • Data tariffs for on the go

    Not yet a Telekom customer, but have a device for which you need a data card? Choose from our 5G data tariffs!

    About data tariffs
  • A man working on his tablet.

    MultiSIM

    With just one contract and one phone number, you can use up to 8 devices. It enables seamless call transfer and parallel ringing on up to 5 devices. 

    About MultiSIM

Still haven't found the right tariff or need a new smartphone?

  • Smartphones

    Do you need a new smartphone? Discover the latest smartphones from Apple, Samsung, Google and many other manufacturers.

    About smartphones

Our awards

  • Telekom comes out on top in connect mobile network test
  • Deutsche Telekom Hotline Test 2025 Test Winner
  • Telekom awarded best 5G network in Chip mobile network test
  • Telekom awarded best network in Chip mobile network test
  • IMTEST seal – Best Mobile Network – Telekom – 2025
  • Telekom wins Computer Bild network test 2026