Best Daten Sim Karte 2026

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Last Updated - 22.07.2026

Best Choice

01

EIOTCLUB

EIOTCLUB 12GB Data SIM Card 360 Days - IoT Prepaid Internet SIM for Camera, Router, Alarm System | 4G LTE/5G | No Contract, No Registration | Vodafone O2 Network | Germany & EU

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use in Germany and the EU: can be used in Germany as well as in many EU countries. Suitable for cross-border IoT installations, mobile installations and remote locations.
Pure Data SIM - Specially designed for IoT and surveillance technology: no telephony, no SMS. Ideal for CCTV systems, security cameras, alarm systems, wildlife cameras, GPS trackers, industrial routers as well as remote monitoring and monitoring devices.
Plug & Play + Management via EIOTCLUB App and Web Portal: insert and activate SIM. Check data consumption in real time, set notifications and recharge credit at any time - via the EIOTCLUB app or official website. Automatic recharges help avoid downtime.
Dual network SIM for stable signal connection in Germany: automatic connection with Vodafone and O2 to always use the best possible network available. No manual switching required. Designed for devices where disconnections are not an option.
12GB annual data for permanently connected IoT devices: Contains a total of 12GB data volume with 360 days validity from activation (no monthly data packet). Suitable for devices with low data consumption but need to remain online permanently – even in remote or unattended locations.

45,00 €
02

EIOTCLUB

EIOTCLUB Data SIM Card, European SIM Card, 15 GB, 30 Days, Data Only, Ideal for Mobile Wi-Fi Hotspots, Routers, USB Sticks, Laptops, Tablets, No Contract, 5G/4G LTE Network

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Support & Support: Any questions, please contact us at info@eiotclub.com and provide your SIM card number. We will be happy to help you!
PREPAID DATA SIM, NO CONTRACT: Get 15GB high speed data, valid for 30 days, with this prepaid SIM card. No long term binding or hidden costs - easy and flexible surfing. The 3-in-1 SIM card (nano, micro, standard) fits in any device.
MANUAL SETUP: Requires configuration of the APN in device settings for proper connection and use.
FLEXIBLE SERVICE & RECHARGEABLE: Prepaid and rechargeable data plan without long-term contracts – ideal for travellers and users of unlocked devices.
DATA ONLY: Provides access to the Internet without phone number or SMS function - perfect for pure data use.
COMPATIBILITY: Works with 5G/4G LTE routers, mobile hotspots, WiFi devices, tablets and mobile phones that support SIM cards for data connection.
33 European countries covered: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom

20,00 €
Value for Money

03

congstar

congstar Prepaid ALLNET XL – 55 GB in D-Network with 5G (25 Mbps), 16€ Start Credit, Phone & SMS Flat in all German Networks, EU Roaming Included, 1 GB Mtl. mehr Every Year, without Contract.

50% Off

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

ROAM LIKE AT HOME: making calls, texts and Internet access within the EU are included with EU roaming including to Switzerland.
PREPAID WITHOUT CONTRACT TIME: Enjoy your own prepaid plan in the best D-net quality. Your fare options are always valid for 4 weeks or 24 hours from activation of your card. Easy to view via app or online. No minimum runtime. No basic fee. Can be cancelled daily.
Let's go in 3 – 2 – 1: Your delivery includes an inactive congstar prepaid card, your new phone number (information on taking phone numbers can be found under "Important Information") + PUK and activation instructions. Visit the congstar activation page, enter your data there and have an ID document ready for legitimation
For many surfers – Allnet XL: With 16 € starting credit, the first 4 weeks of your term are already clarified. Make calls and SMS in the Allnet Flat in all German networks. Your data volume of 55 GB is on top. Bookable data passes and speed options make your prepaid package even more personal. **
5G data turbo included: for the best possible data transmission, 5G (with max. 25 Mbps) already included in your prepaid plan.
3-in-1 SIM card: mini SIM, micro SIM and nano SIM: your congstar prepaid SIM card contains three formats and fits in any smartphone and device.

4,99 € 9,99 €(50% Off off)
04

Deutsche Telekom

Telekom MagentaMobil Prepaid M with 20 GB High-Speed Volume | 5G/LTE Max & Allnet Flat in all German Networks | Continue to Use Unused Data Volume | EU Roaming & Hotspot Flat | 10 EUR Start Credit

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Unbeatably independent: with the prepaid SIM card without contract binding, stay flexible with full cost control. The triple SIM can be used with Standard, Micro & Nano formats. (Not for smartwatches, kidswatches.)
Starting credit and other options: charge online, via the MeinMagenta app or via charging code. Optionally, additional data volume can be booked. With your prepaid card, you will receive 10 € starting credit.
Ready to go: This prepaid card is activated with a new phone number – ideal for anyone who wants to get started directly and without waiting time. A phone number is not provided with this product.
PERMANENTLY MORE DATENVOLUMEN AND AT THE SAME PRICE. 20 GB high-speed volume - always at maximum available speed and best network coverage (LTE Max/5G). The prepaid tariff M contains unlimited calls and texts in the Telekom mobile network and in all other German networks.
NEW ROAMING CONDITIONS INCLUDED: With EU-Basic Roaming, making calls and surfing abroad is now even easier. And even cheaper. Use your included volume for temporary stays in the EU, UK and Switzerland at no extra cost.
NEW AND SIMPLY FAIR: Because unused data volume is automatically taken into the next billing cycle and consumed fairly first. Simplified roaming at better conditions and a higher SSD speed of incredible 64 kbps make MagentaMobil prepaid rates even more attractive.

7,99 €
05

Lebara

LEBARA Prepaid SIM Card with Hello! 120 Prepaid Tariff without Contract | 120 GB Data Volume Including 5G | Allnet Flat | 500 Minutes Abroad

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quickly activated: Register the SIM card in just a few minutes online or via app and get started right away – without paperwork.
Prepaid SIM card with 120 GB for only €19.99 every 4 weeks - now get full data power!
Important to know: activation and first use of the prepaid SIM card must be done in Germany.
INTERNATIONALLY CONNECTED: 500 free minutes in over 50 countries – ideal for reaching family and friends worldwide cheap – including Poland, Romania, USA, Croatia or Turkey (landline).
Full control, no contract: The prepaid card without contract, no hidden costs – you stay flexible at all times and pay only what you use.
FAST 5G INTERNET: 120 GB of high-speed data in the powerful Telefónica network – reliable, stable and with strong network coverage even on the go.
EU ROAMING INCLUDED: Use your data volume and flat even abroad in the EU at no additional cost – ideal for travel & holidays.
ALLNET FLAT GERMANY: Make calls & text messages to all German networks with your new prepaid plan – as much as you want, at no additional cost.

19,99 €
06

EIOTCLUB

EIOTCLUB Data SIM Card - Ideal for Mobile Wi-Fi Hotspots, Routers, USB Drives, Laptops, Tablets - No Contract | 5G/4G LTE Network | Coverage in 33 European Countries

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Support & Support: Any questions, please contact us at info@eiotclub.com and provide your SIM card number. We will be happy to help you!
PREPAID DATA SIM, NO CONTRACT: Get 1GB of high speed data, valid for 30 days, with this prepaid SIM card. No long term binding or hidden costs - easy and flexible surfing. The 3-in-1 SIM card (nano, micro, standard) fits in any device.
MANUAL SETUP: Requires configuration of the APN in device settings for proper connection and use.
FLEXIBLE SERVICE & RECHARGEABLE: Prepaid and rechargeable data plan without long-term contracts – ideal for travellers and users of unlocked devices.
DATA ONLY: Provides access to the Internet without phone number or SMS function - perfect for pure data use.
COMPATIBILITY: Works with 5G/4G LTE routers, mobile hotspots, WiFi devices, tablets and mobile phones that support SIM cards for data connection.
33 European countries covered: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom

6,00 €
07

Deutsche Telekom

Telekom MagentaMobil Prepaid XL with 80 GB High-Speed Volume | 5G/LTE Max & Allnet Flat in all German Networks | Continue to Use Unused Data Volume | EU Roaming & Hotspot Flat | 20 EUR Start Credit

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Unbeatably independent: with the prepaid SIM card without contract binding, stay flexible with full cost control. The triple SIM can be used with Standard, Micro & Nano formats. (Not for smartwatches, kidswatches.)
Starting credit and other options: charge online, via the MeinMagenta app or via charging code. Optionally, additional data volume can be booked. With your prepaid card, you will receive 10 € starting credit.
Ready to go: This prepaid card is activated with a new phone number – ideal for anyone who wants to get started directly and without waiting time. A phone number is not provided with this product.
PERMANENTLY MORE DATENVOLUMEN AND AT THE SAME PRICE. 80 GB high-speed volume - always at maximum available speed and best network coverage (LTE Max/5G). The prepaid tariff XL contains unlimited calls and texts in the Telekom mobile network and in all other German networks.
NEW ROAMING CONDITIONS INCLUDED: With EU-Basic Roaming, making calls and surfing abroad is now even easier. And even cheaper. Use your included volume for temporary stays in the EU, UK and Switzerland at no extra cost.
NEW AND SIMPLY FAIR: Because unused data volume is automatically taken into the next billing cycle and consumed fairly first. Simplified roaming at better conditions and a higher SSD speed of incredible 64 kbps make MagentaMobil prepaid rates even more attractive.

17,50 €
08

Deutsche Telekom

Telekom MagentaMobil Prepaid L with 40 GB High-Speed Volume | 5G/LTE Max & Allnet Flat in all German Networks | Continue to Use Unused Data Volume | EU Roaming & Hotspot Flat | 15 EUR Starting Credit

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Unbeatably independent: with the prepaid SIM card without contract binding, stay flexible with full cost control. The triple SIM can be used with Standard, Micro & Nano formats. (Not for smartwatches, kidswatches.)
Starting credit and other options: charge online, via the MeinMagenta app or via charging code. Optionally, additional data volume can be booked. With your prepaid card, you will receive 10 € starting credit.
Ready to go: This prepaid card is activated with a new phone number – ideal for anyone who wants to get started directly and without waiting time. A phone number is not provided with this product.
PERMANENTLY MORE DATENVOLUMEN AND AT THE SAME PRICE. 40 GB high-speed volume - always at maximum available speed and best network coverage (LTE Max/5G). The prepaid tariff L contains unlimited calls and texts in the Telekom mobile network and in all other German networks.
NEW ROAMING CONDITIONS INCLUDED: With EU-Basic Roaming, making calls and surfing abroad is now even easier. And even cheaper. Use your included volume for temporary stays in the EU, UK and Switzerland at no extra cost.
NEW AND SIMPLY FAIR: Because unused data volume is automatically taken into the next billing cycle and consumed fairly first. Simplified roaming at better conditions and a higher SSD speed of incredible 64 kbps make MagentaMobil prepaid rates even more attractive.

13,96 €
09

EIOTCLUB

EIOTCLUB Prepaid SIM Card for 5G/4G LTE Surveillance Camera, Wildlife Camera, WiFi Router, Supports Vodafone, O2 Network, SIM Card Only Data, No Contract, No Registration

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready to use: the SIM card requires no contract, no monthly fees, no additional costs and no complicated activation. Simply plug it into your device - very easy to use. You can use it at any time, and if the card is deactivated, it can be stored for free for one year. During this time, the card will be automatically deactivated when not in use.
RISK FREE PURCHASE Your satisfaction is our top priority! If you have any questions, please contact eiotclub.com online support or email info@eiotclub.com. The offer is rechargeable. Fast charging: https://sim.eiotclub.com/1
Faster Internet experience: Now you can surf in 33 European countries without restriction! Supports the fast 5G network. The eiotclub SIM card covers the networks of multiple providers in 33 European countries and can automatically switch to the local provider's network without additional roaming charges. In Germany, the SIM card is compatible with Vodafone and Telefónica networks.
Economical solutions for data - The improved prepaid SIM card from EIOTCLUB is now available! The EIOTCLUB prepaid SIM card comes with 30 days and 500 MB data volume. This card only provides data connection without phone number, voice or SMS services and is specially designed for LTE security cameras, wildlife cameras, mobile Wi-Fi routers, unlocked IoT devices. designed.
3 IN 1 PACKAGE - The SIM card is already pre-cut in 3 sizes: standard size, micro size and nano size. Please choose the appropriate size and put it in the right direction, otherwise it cannot be activated.

5,00 €
10

congstar

congstar Allnet Flat Plus [SIM, Micro-SIM and Nano-SIM] Monthly Rolling Contract (1 GB Data Flat Rate at 21 Mbit/s, Allnet Flat in all German Networks), Allnet M

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

THE ALLROUNDER - ALLNET M: With 10€ starting credit, the first 4 weeks of your term are already clarified. Make calls and SMS in the Allnet Flat in all German networks. For data volume of 33 GB, you get 1 GB every year. Bookable data passes and speed options make your prepaid package even more personal. **
ROAM LIKE AT HOME: Make calls, texts & Internet access within the EU are included with EU roaming.
PREPAID WITHOUT CONTRACT TIME: Enjoy your own prepaid plan in the best D-net quality. Your fare options are always valid for 4 weeks or 24 hours from activation of your card. Easy to view via app or online. No minimum runtime. No basic fee. Can be cancelled daily.
Let's go in 3 – 2 – 1: Your delivery includes an inactive congstar prepaid card, your new phone number (information on taking phone numbers can be found under "Important Information") + PUK and activation instructions. Visit the congstar activation page, enter your data there and have an ID document ready for legitimation.
5G data turbo included: for the best possible data transmission, 5G (with max. 25 Mbps) already included in your prepaid plan.
3-in-1 SIM card: mini SIM, micro SIM and nano SIM: your congstar prepaid SIM card contains three formats and fits in any smartphone and device.

7,49 €