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Introduction If you manage a fleet of cellular routers, CCTV cameras, or remote sensors, you have likely been sold the “invincible connectivity” dream. The pitch usually goes like this: “Buy our Multi-Network Roaming SIM or Multi-IMSI solution. If one network…
If there is one thing that ruins the post-holiday glow, it’s coming home to a shock mobile phone bill. We’ve all been there—trying to find decent WiFi in a hotel lobby or risking “just a quick check” of emails on…
Teltonika Mobile Modes Explained: NAT vs Bridge vs Passthrough Stop! Before you switch to Bridge or Passthrough mode, read this first. One of the most common mistakes we see with Teltonika router configuration is people switching to Bridge or Passthrough…
The Connectivity Triangle: SIM, Modem & Network When deploying IoT devices with cellular connectivity, many people assume that inserting a SIM card is all they need. In reality, reliable cellular connectivity depends on three components working together: the SIM card,…
How They Really Work, What They Actually Are, and Why “IoT SIM” Is Mostly a Label Roaming SIM cards sit at the centre of modern connected infrastructure. They keep CCTV online in empty buildings, connect EV chargers in car parks…
Connectivity is the invisible thread that holds modern business operations together. From the ATM on your high street to the CCTV tower on a remote building site, and from a logistics truck crossing Europe to a smart meter buried in…
In today’s connected world, businesses can’t afford downtime. From payment terminals to remote sensors, the need for reliable, always-on internet has never been greater. This is where Roaming SIMs and IoT SIMs step in — especially when paired with an…
As IoT deployments grow globally, the old rigidity of physical SIM cards and fixed-IP roaming devices is increasingly mismatched to modern needs. Enterprises now demand flexibility—remote provisioning, carrier independence, and seamless global access. The emergence of roaming eSIM and new…
Why Roaming SIMs Aren’t Immune to Cyber Threats The recent discovery of a critical vulnerability in Hikvision’s HikCentral platform—known as the ApplyCT exploit (CVE‑2025‑34067)—has major implications not just for traditional fixed IP setups, but also for roaming IoT SIM deployments.…