Empowering your IoT connectivity
Connectivity Management Platform (CMP)
Our IoT SIMs include full access to CSL’s Connectivity Management Platform (CMP) – providing total visibility and control of your connected estate.
- View SIM status, data usage, and signal strength in real time
- Receive alerts and generate detailed usage reports
- Manage SIMs, rSIMs, routers and more from a single platform
- Diagnose issues and perform remote actions with ease
Our CMP gives you the tools to monitor and manage your entire connected estate – all in one place.
Managed Connectivity – Secure, Supported and Simple
Our Managed Services provide everything needed to keep your connectivity secure, reliable, and running smoothly:
- Technical design support to ensure the right solution
- Fast deployment with preconfigured SIMs and devices
- Installer support and helplines for quick setup and testing
- Remote monitoring and maintenance to keep systems online
- 24/7/365 UK-based support, with over 50 technical staff
- Ongoing account management and lifecycle care
We handle the complexity, so you can focus on what matters most.
Secure by Design
CSL SIMs are built with security at their core — protecting your data, devices, and reputation from day one. Designed to meet the demands of life-safety and mission-critical environments, our solutions help you stay compliant and secure.
- Private APN options for secure, closed-loop connectivity
- End-to-end encryption and VPN compatibility
- Integrated with 270+ ARCs, meeting alarm and security standards
- Proven in regulated sectors like critical infrastructure, health, and fire safety
- Fully accredited and compliant with key industry standards
Why CSL for an IoT SIM?
Trusted by critical sectors for secure, resilient, and scalable solutions
Used by emergency services and integrated with 270+ Alarm Receiving Centres (ARCs)
Full eUICC and eSIM capability for GSMA-compliant deployments
Always connects to the strongest available signal
Preconfigured SIMs and expert guidance from UK-based teams
Public/private APNs, dual-path signalling, and broad system compatibility
Millions of live connections across national projects, fleets, and payment systems
Engineered for resilience
Our IoT SIM Cards
CSL is a recognised leader in critical connectivity, trusted by manufacturers, installers, and service providers across life-safety and IoT sectors. With over 30 years of experience, we deliver robust, secure connections backed by responsive service and proven infrastructure.
Our IoT SIMs are built for resilience, security, and versatility. Featuring unsteered roaming and a patented roaming algorithm, they ensure your devices stay connected to the strongest available network — keeping your systems online and operational when it matters most.
Provides a secure link for data transmission between your devices over the network, safeguarding communication.
Available as physical SIMs (2FF, 3FF, 4FF), eSIMs and eUICC that support 5G, 4G, 3G and 2G across major global mobile networks, ensuring versatile connectivity.
Allows for remote, real-time access to devices, enabling functionalities like remote viewing for enhanced monitoring.
Our IoT SIM Case Studies
