IoT & M2M Connectivity
Built for the Real World.
Keep your devices connected across the UK and Europe. Zentari's multi-network IoT SIMs roam freely across Vodafone, O2, EE and Three in the UK — always selecting the strongest available signal — with coverage extending across the EU.
Unsteered roaming across all four Tier-1 UK networks
One SIM. Every UK network.
No blind spots.
Traditional IoT SIMs are locked to a single carrier — when that network has an outage or poor coverage at your deployment site, your device goes offline. Zentari SIMs are genuinely unsteered across all four UK networks, meaning the device always connects to whichever provides the strongest signal at that moment.
Coverage extends across the EU for deployments that cross borders, giving you a consistent, managed SIM estate whether your hardware is in Manchester or Madrid.
- No steering toward a preferred network
- Seamless handover between networks
- Works in rural, urban, and industrial environments
- 2G, 3G, 4G LTE and 5G capable
Shared data pools.
Zero overage bills.
Instead of assigning a fixed allowance to each SIM individually, Zentari lets your entire fleet share one aggregated data pool. A CCTV camera that barely uses 10MB offsets a logistics unit that bursts to 500MB — your total spend stays predictable.
Layer the Axis Watchdog on top and you have automatic protection: set a threshold per device or across the pool, and the platform suspends the connection before any overage is ever generated.
- Shared GB allowance across your entire fleet
- Auto-suspend on threshold breach
- Real-time usage via 30-minute CDR polling
- Dynamic top-up available at any time
Everything your hardware needs.
From low-bandwidth sensors to high-throughput video feeds — Zentari's platform adapts to your device requirements.
2G / 3G / 4G LTE / 5G
Full multi-generation support across all four UK networks. Your SIM negotiates the best available technology at the deployment site automatically.
Fixed IP Addresses
Static IP addresses for remote device access, CCTV streaming, and SCADA integration. Contact us to discuss availability for your deployment.
UK & EU Coverage
Seamless coverage across the United Kingdom and Europe. One SIM, one platform, one bill — whether your devices are local or cross-border.
Pooled Data Management
Share a single data allowance across your entire fleet. Combine with Watchdog rules for automatic overage protection across every device.
Full RESTful API
Provision, suspend, reactivate and query SIMs programmatically. Integrate connectivity management directly into your own platform or CRM.
Physical SIM & eSIM
Standard plastic SIM cards for traditional deployments, or eSIM/eUICC for sealed hardware and over-the-air profile management.
IoT connectivity for every sector.
From warehouse floors to city streets — Zentari IoT SIMs are deployed across the UK and EU's most demanding environments.
Ready to connect your devices?
Get a free pilot kit and see how Zentari IoT SIMs perform across your deployment sites — no commitment required.
Request a Free Pilot Kit