rSIM’s intelligent, resilient SIM technology is now fully integrated into Westermo’s industrial networking solutions. As part of the growing strategic partnership between zero-touch networking leaders, Westermo, and Critical Connectivity Experts, CSL, this integration brings a new level of connectivity resilience to critical infrastructure networks across utilities, transport, and beyond.

Following a thorough evaluation by Westermo’s Network Applications Team, rSIM has been validated for use across Westermo’s entire cellular router portfolio, including the Merlin, Ibex, and MRD series. With this integration, Westermo customers can now benefit from rSIM’s ability to actively monitor and respond to connectivity challenges in real time—seamlessly switching profiles to maintain uptime, even in the harshest environments.

“rSIM’s roaming capabilities, transparency, and ease of use really stood out during testing,” said Vince Collis, Principal Engineer – Network Applications Team UK at Westermo. “Its ability to provide detailed diagnostics and dynamic failover without requiring custom configuration within the router was particularly impressive. It’s dual-SIM resilience in a single, intelligent device.”

One of the most powerful demonstrations during testing was rSIM’s simulated outage function, which enabled live, real-time failover between profiles—no manual intervention, no downtime. With the intelligence embedded within the SIM itself, there’s no need for complex monitoring setups or router-based scripting.

Matt Allpress, Channel and Water Utilities Account Manager at Westermo, highlighted the broader value of the integration: “This is more than a hardware upgrade—it’s a shift in how we deliver resilient, intelligent connectivity to our customers. From utilities to transport, retail to public services, rSIM helps ensure that our devices—and the critical infrastructure they support—stay online when it matters most.”

Together with CSL and Westermo, rSIM is redefining what connectivity resilience looks like in mission-critical environments. Whether it’s supporting digital transformation in water networks or ensuring consistent uptime in remote, high-impact sectors, rSIM delivers peace of mind—and unmatched performance.

Contact us to learn how rSIM is driving the future of resilient industrial connectivity with CSL and Westermo across the Water, Power, Electricity, Gas, Utilities, Transport and Marine Sectors.