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 you’ve ever deployed SIM cards in devices across multiple regions, you’ll know the pain of unreliable roaming, poor signal, or sky‑high costs. That’s where multi‑IMSI SIM technology comes in. In simple terms, a multi‑IMSI SIM card can act like…