The M2M SIM with the best connection. Always. Everywhere.

  • Free choice of mobile network by default
  • Web portal for easy M2M SIM management
  • 99.99 % availability through geo-redundancy
The M2M SIM card with the best connection

Features and advantages of our M2M SIM card

National Roaming

National Roaming

Access to any mobile network in the EU via national roaming, e.g. to the networks of providers like Orange, Vodafone & BT.

Free Network Selection

Free Network Selection

Always access to the strongest mobile network at the location as standard - steered roaming on request.

Worldwide Coverage

Worldwide Coverage

>485 networks in 189+ countries for your IoT project. In border areas, you also use networks of neighboring countries.

Supported Technologies

Always The Fastest Speed

We do not throttle. You use the fastest possible speed on site at all times. We support the technologies 2G (GSM/GPRS/EDGE), 3G (UMTS/HSDPA/HSPA+), 4G (LTE/LTE Advanced), LTE-M, NB-IoT as well as 5G.

NB-IoT and LTE-M (LTE Cat M1)

NB-IoT and LTE-M are particularly suitable for devices that need to save power or are difficult to reach behind walls. Many network operators worldwide already support this technology and more are being added every week. Feel free to contact us for more details.

Data, SMS (and Voice)

As standard, our M2M SIM cards support data transmissions and SMS, voice calls on request.

Always the best network

M2M SIM management in real time

M2M SIM management in real time - in the wherever SIM customer portal
  • Online customer portal and API
  • Real-time statistics
  • Activate, deactivate and pause SIM cards
  • Configuration of individual monthly data limit for every SIM
  • Easy M2M SIM inventory
  • Push API for Events

Your data is important to us: security from and at wherever SIM

We know that with our M2M SIM cards we are an important part of your IoT projects and infrastructure. That's why security and reliability are our top priorities.



99,99 % availability through complete geo-redundancy of our data centers and a state-of-the-art architecture based on microservices.



Restrict the use of a SIM card to a specific device based on the IMEI (unique identification number of a mobile phone device). 


2-factor login

Double protection when logging into the online portal: 2-factor authentication protects your data in the wherever SIM portal from unauthorized access.

Secure remote access with M2M SIM cards

If you wish, we can provide you with your own private IP subnet (a private APN). Access to the M2M SIM cards is therefore only possible via a secure IPsec VPN connection and protected from third parties.

On request, we also offer you the option of using a static private IP address of the M2M SIM to easily access the SIM and device via a protected VPN. For secure and easier remote access, we also offer VPN on request.

Contact our M2M experts
VPN, APN and static IP addresses

Frequently Asked Questions

M2M SIM formats in standard and industrial quality

SIM formats of the wherever SIM
Available SIM Formats
Operating Temperature
Read/write Cycles
Data Retention
Standard M2M SIM

-25°C to +85°C

Read/write Cycles


10 years

Industrial M2M SIM

-40°C to +105°C


10 years at -40°C to +105°C
15 years at -25°C to +85°C

2FF, 3FF, 4FF

2FF, 3FF, MFF2

Our features at a glance

  • National Roaming
  • By default, free network selection without network preference (non-steered / non-steered roaming)
  • steered roaming / steered roaming on request
  • Worldwide access to 485 networks in 189+ countries
  • Always the fastest speed – no bandwidth throttling
  • SMS
  • Voice (on request)
  • 4G (LTE/LTE Advanced)
  • 5G
  • LTE-M (LTE Cat M1)
  • NB-IoT (in future)
SIM management
  • Customer portal incl. real-time data
  • Activate, deactivate and pause SIM cards
  • Set individual data limits for SIM cards
  • send SMS
  • SIM-Inventory
  • All features available via API
  • Push API
  • Data Streamer - REST API,, Data Dog, AWS S3, AWS Kinesis (on request)
Security & Availability
  • Full geo-redundancy
  • 99.99% availability
  • Private APN
  • IPsec VPN (on request)
  • VPN or Amazon AWS Transit Gateway (on request)
  • Static private IPs from own private Subnet
  • IMEI lock
  • Custom DNS Server (on request)
  • DSGVO Compliant
  • Hosting in the EU
SIM card
  • Mini SIM cards (2FF)
  • Micro SIM cards (3FF)
  • Nano SIM cards (4FF)
  • Embedded SIM cards (MFF2)
  • eUICC (on request)
  • Industrial SIMs
  • Extreme temperatures from -40°C to +105°C
Quite uncomplicated:
Preconfigured M2M routers - plug & play

We provide you with routers that have been proven a million times over, pre-configured and already equipped with an M2M SIM card so that you can get started right away.

To the M2M routers
Preconfigured M2M routers - Plug & Play
Questions about choosing the right router? We will be happy to support you!

If you need further assistance in selecting the right hardware, our team of M2M experts will be happy to help.

Contact our M2M experts
M2M experts from wherever SIM in conversation

Bring your devices online -
worldwide - with wherever SIM

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Test our M2M SIM cards & customer portal easily
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Individual offer -
M2M SIM cards
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Industrial Router +
M2M SIM card
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