When you compare your device with the SIM form factor, size and accessibility are the main concerns. Larger devices can incorporate larger SIM form objects, while smaller devices require smaller ones. Apart from those basics, here are a few other things to keep in mind:

Differences in Protective Casing

While its small size is advantageous for some applications, it also means that the Nano SIM does not have a plastic protective layer around the contact chip for other removable form features. For that reason, the Nano SIM may not be the best SIM technology for IoT devices exposed to extreme temperatures or weather conditions. For devices used outdoors, underground, or in hazardous areas, eSIM offers a good solution as it is locked inside the device.

Security Concerns

Depending on the location and conditions of deployment, some IoT devices will be at greater risk for security breaches than others. Removable SIM cards have historically been a point of danger as bad players can take one on a device such as a scooter, and try to use it on a phone or tablet to connect to the Internet.

IoT SIMs are equipped with a multi-level security guard against security breach using a rotating key, signature, and message verification codes to verify the IoT device’s identity and secure its connection. These security guards prevent criminals from ripping off their SIM to broadcast on Netflix or crawl on social media. And some IoT platforms, such as the Hologram Dashboard, allow you to track the location of the SIM, match the International Mobile Equipment Identity (IMEI) of the device and alert you with a warning if the SIM opens in a different location than the IMEI. . When selecting your device’s SIM, look for security features such as these to minimize the risk.

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Remote Giving Skills

As IoT deployments expand around the world, many organizations are looking for remote deployment capabilities for their SIM to allow for efficient and flexible communication. Removable SIM-enabled eUICC and eSIM simulations can both provide this capability, allowing operators to exchange their registered profiles using a Remote SIM Provisioning (RSP) method. Whether or not you need an RSP is a question you should pursue with your design team, but there are a few advantages to building with eUICC — for example, it allows one SKU to run multiple shipments around the world and gives you the ability to update SIM. profiles after devices have been installed. If your consumption is large, these benefits can bring significant savings in effort and cost.

What Should I Look For In A SIM Card Provider?

No matter what SIM form factor you choose for your device, you will want to make sure that it can provide the longevity, durability, and global connectivity that you need to use. Depending on your operating environment, see a SIM card provider that prioritizes:

Communication

Communication is an essential element of any successful IoT deployment. Find an IoT SIM card provider that can support flexible, global connectivity for your devices. Some providers today have carrier-agnostic, which means they can use the best available network no matter where the device is in the world. When the device is moving, the SIM can automatically switch between network operators to maintain maximum performance.

Check SIM numbers

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Scalability

Choosing a company IoT SIM can help you measure up quickly, but there are other details that also play a role. The SIM-also-hardware-agnostic SIM can be paired with any device and connected to any IoT cloud service. Also look for a provider that integrates integration with existing systems and allows your developers to build custom applications and dashboards. For example, Hologram REST APIs help you compile faster.

Court Performance

Look for an IoT SIM provider that integrates an easy-to-use device management platform — something you can get up and running quickly and not spend weeks trying to learn. A good device management forum should have customized dashboards, role-based access control for security, and a 24/7 support channel in case something goes wrong (at some point, it will definitely happen). It is also wise to look for a provider who makes regular and up-to-date updates on his or her platform, and to monitor potential security threats.

eUICC Skills

Even if you are not yet ready to use eSIM-enabled eUICC in the construction of your current device, it is advisable to find a supportive provider if you decide to go there later. That way, you won’t have to find an additional provider or change suppliers if you want to enable remote delivery for future product models.

Clear Prices

Normal M2M data systems usually require pre-contract commitment as well as the costs of opening, closing, or changing system settings. If you are just starting out but want to measure up, look for a provider that will allow you to do so in a cost-effective way — rather than paying more than you need. For example, Hologram uses a flexible payment model as you go, with clear prices and flexible levels as you ascend. You will not need to sign a contract or complete an assignment.

Hologram makes IoT SIM cards in all form features, including eSIM (MFF2). Our global hardware-agnostic SIM card or chip allows you to connect to all networks in all countries and automatically change carriers to ensure your device has the best service available (2G, 3G, 4G LTE, and CAT-M1) , wherever it may be.

On the administrative side, you can track your device using the Hologram Dashboard, which provides shared management tools to monitor device life, IoT connectivity, and security, or with our modern REST API.