Category Articles

Remote SIM provisioning explained: eUICC, profiles and the GSMA SGP.02 and SGP.22 standards that let eSIMs download and switch operators over the air.

eSIM vs physical SIM compared: durability, remote provisioning, multi-profile flexibility and universal compatibility — with a clear decision framework.

The eSIM revolution explained: how eUICC turns the SIM into software, enabling remote provisioning, multi-network switching and instant digital data plans.

Tier-1 network access removes roaming middlemen and unlocks wholesale rates. How multi-network steering, compliance and limits cut business roaming costs.

Prepaid vs postpaid business mobile data SIMs: when each wins, bundles vs pay-as-you-go, and how to keep coverage and costs under control.

Ten questions to choose the right IoT connectivity provider: networks, permanent roaming, platform, APIs, security, pricing, scale and support.

Practical IoT security at the SIM level: IMEI binding, usage limits, destination blocking, encryption and anomaly monitoring to protect connected fleets.

Permanent roaming can throttle or disconnect IoT devices abroad. Learn the rules, the risks, and how eSIM localisation and tier-1 partners keep fleets online.

How a multi-network IoT SIM roams across 600+ tier-1 networks in 180+ countries for best-available coverage, resilience and one global SIM SKU.

M2M vs IoT explained: the real differences in architecture, scale and integration — and why one Extrafon multi-network SIM and platform serve both.