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IoT Connectivity | Multi-Network SIMs, eSIM & M2M
Connect, manage and secure your IoT devices wherever they are with Cellhire’s global IoT connectivity solutions.
400+ networks across 185 countries
From a single connected device to thousands of SIMs deployed across multiple countries, our cellular IoT connectivity solutions give you the coverage, resilience and control you need to keep your operation running.
IoT connectivity solutions that you can rely on
Cellhire understand that you need reliable connectivity that keeps your devices online and operations running efficiently.
Our award-winning IoT connectivity ensures your devices stay secure, reliable, and scalable, keeping them connected anytime, anywhere.
2025 ShortlistedMobile News AwardsInnovative Product - IoT
2024 WinnerComms Business AwardsBest wireless connectivity
provider, iot connectivity
2024 ShortlistedComms Business AwardsBest connectivity solution
wholesale esim
2024 WinnerBroadcast Tech Innovation AwardsBest tech innovation
in live production
2025 ShortlistedMobile News AwardsInnovative Product - IoT
2024 WinnerComms Business AwardsBest wireless connectivity
provider, iot connectivity
2024 ShortlistedComms Business AwardsBest connectivity solution
wholesale esim
2024 WinnerBroadcast Tech Innovation AwardsBest tech innovation
in live production
Why choose Cellhire for IoT connectivity?
Global Coverage
400+ networks across 185+ countries, including permanent roaming and multi-network connectivity.
Uninterrupted Service
Access all four major UK networks to maximise coverage and help keep devices connected.
Best Signal Optimisation
Multi-network SIMs can automatically connect to the strongest available network, helping improve connectivity across changing locations.
Competitive IoT Pricing
Benefit from competitive IoT connectivity pricing through Cellhire’s direct network relationships and flexible solutions.
Secure Private & Public IP Options
Choose fixed private or public IP addresses alongside private APNs, L2TP and IPSec VPN options to suit your security requirements.
Centralised SIM Management
Manage individual connections or thousands of SIMs through Cellhire’s SIM Management Portal.
Trusted process & support that put you in the driver’s seat
Cellhire holds ISO 27001 certification for information security and provides dedicated support alongside its IoT connectivity services. Our team are extremely responsive and always ready to assist you with any challenges that arise.
SIM Management Portal also enables customers to diagnose and resolve around 90% of support issues themselves, helping teams reduce unnecessary support requests and manage connectivity more efficiently.
IoT Connectivity Technologies
There is no single connectivity technology that is right for every IoT deployment. The best option depends on a wide range of factors, including device location, mobility, data usage, power consumption, required speeds and the importance of uninterrupted connectivity.
4G and 5G connectivity, or cellular IoT SIM cards are suited to devices that need reliable mobile data access across wide geographical areas. Higher-bandwidth applications such as CCTV, digital signage, routers, and connected equipment can particularly benefit from cellular connectivity.
Narrowband IoT, or NB-IoT, is a Low-Power Wide Area Network (LPWAN) technology designed for devices that transmit relatively small amounts of data and may need to operate for long periods using limited power.
It can be particularly useful for sensors, smart metering and other static devices where battery efficiency and coverage penetration are more important than high data speeds.
LTE-M is another cellular LPWAN technology designed for IoT. Compared with NB-IoT, it can support greater mobility and higher data rates, making it suitable for connected devices that move between locations or need to transmit data more frequently.
Together, LPWAN technologies such as NB-IoT and LTE-M are well-suited to large-scale, low-power IoT deployments.
Multi-network IoT SIMs give devices access to more than one mobile operator rather than tying the deployment to a single network. This provides additional resilience for applications such as logistics, asset tracking, security systems and other devices that regularly move between locations.
Cellhire’s global permanent roaming capabilities can also support IoT deployments operating internationally.
Keep your devices connected across 400+ networks in 185 countries
Experience uninterrupted connectivity worldwide with our permanent roaming solution.
Traditional data SIM cards may seem convenient, but they carry security risks and hidden costs. With network operators increasingly disconnecting foreign SIMs, your device could stop providing vital services without warning.
Our IoT connectivity solution comes with permanent roaming, meaning it is equipped with the necessary local permissions and seamless integration into foreign networks, ensuring smooth operations wherever the device resides.
Looking For Better IoT Connectivity?Our IoT Connectivity Products
Whatever you need to connect, Cellhire provides a range of IoT connectivity solutions designed for different devices, networks, security and deployment requirements.
IoT SIM Cards
Purpose-built cellular connectivity for IoT and M2M devices. Connect devices across all four major UK networks and globally, with flexible security and management options designed for IoT deployments.
Learn moreMulti-Network IoT SIMs
Reduce your dependency on a single operator with unsteered multi-network SIMs that allow compatible devices to connect to the strongest available network. Access all four major UK networks, EE, O2, Vodafone and Three, alongside extensive international coverage from a single SIM solution.
Learn moreIoT eSIM & eUICC
Make global device deployments simpler with IoT eSIM and eUICC connectivity. Remote profile management can reduce the need to physically replace SIM cards and provide greater flexibility throughout the device lifecycle.
Learn moreData-Only IoT SIMs
Keep data-driven devices connected without unnecessary voice services. Data-only IoT SIMs can support applications including fixed installations, routers, mobile broadband equipment, tablets and connected devices, with data allowances tailored around individual deployment requirements.
Fixed IP SIM Cards
Give IoT and M2M devices a consistent IP address for applications requiring secure remote access, whitelisting or stable communication between devices and business systems.
Cellhire offers fixed private and public IP options alongside extensive UK and global network coverage.
Learn morePrivate APN Connectivity
Create a more controlled route for your IoT data with a private Access Point Name (APN). Private APNs can isolate device traffic from the public internet and provide an additional layer of security for business-critical deployments.
L2TP IoT SIMs
Connect cellular 4G and 5G devices more directly into your existing network architecture with L2TP connectivity.
Cellhire’s L2TP-enabled IoT SIMs support consistent IP addressing and greater control over routing, helping businesses maintain connectivity during failover and securely integrate remote equipment with existing networks.
Learn moreiSIM & Soft SIM Connectivity
Integrated SIM technologies such as iSIM are helping reduce the physical footprint required for cellular connectivity by incorporating SIM functionality more closely into compatible device hardware.
IoT SIM & Router Bundles
Combine hardware and connectivity with Cellhire’s IoT SIM and router bundles. Multi-network SIM connectivity, IoT routers and remote-management options can provide a rapidly deployable solution for applications including pre-fibre connectivity, digital signage, fleet management and mobile Wi-Fi.
Learn moreIoT connectivity for every industry and application
IoT connectivity requirements can change significantly depending on the environment in which your devices operate.
Security and CCTV
Keeping CCTV cameras connected with multi-network solutions designed for remote monitoring, temporary sites and security estates.
Retail
Connect payment terminals, inventory systems, security equipment and other smart retail technology such as digital signage, across stores, warehouses and multiple locations.
Logistics
Maintain visibility across supply chains with IoT solutions that support logistics, tracking, monitoring and data transmission as goods move between locations.
Asset Tracking
Keeping GPS trackers and connected assets communicating as they move between locations and network coverage areas.
Industrial Manufacturing
Connect machinery, sensors and industrial equiptment to support remote monitoring, operational visibility and connected manufacturing.
Construction
Keep cameras, equipment, routers and other connected technology online across temporary and changing construction environments.
Healthcare
Keep connected medical equipment and remote monitoring devices communicating across patients’ homes and healthcare facilities.
Media and Broadcasting
Keep content delivery flexible and ready to adapt to the changing technological landscapes to improve your broadcasting infrastructure.
Discover more about our Reseller IoT Connectivity
IoT isn’t just about devices. At Cellhire, we see beyond the SIM card to the full potential of connectivity.
Scalable. Secure. Seamless. Our IoT connectivity adapts to your customer’s needs.
Looking to provide mobile and IoT connectivity to your own customers?
Our reseller solutions give you access to flexible IoT connectivity, global network coverage and centralised SIM management, backed by specialist support from the Cellhire team.
Explore our dedicated wholesale connectivity solutions.
Experience Cellhire IoT connectivity for yourself: Get 60 days to try before you buy
Choosing an IoT connectivity provider is easier when you can test the network with your own devices.
Cellhire’s 60-day IoT SIM free trial includes two IoT SIM cards, 1GB of data on each SIM and access to portal, giving you the opportunity to test the connectivity and SIM management platform before committing to a wider deployment.
Whether you are connecting your first IoT application, reviewing an existing SIM estate or preparing to deploy thousands of devices internationally, our IoT specialists can help you build a connectivity solution around your requirements.
Scalable. Secure. Seamless. Our IoT connectivity adapts to your customer’s needs.
From intuitive management to unparalleled expertise, we’re not just your provider, we’re your IoT partner for growth.
Order Your Free IoT SIM TrialIoT Connectivity FAQs
IoT connectivity is the technology that allows Internet of Things devices to communicate with other devices, platforms and cloud-based systems. Depending on the application, this connection can be provided through cellular networks such as 4G, 5G, LTE-M and NB-IoT, as well as technologies such as Wi-Fi, Bluetooth and satellite.
Want to understand the technology in more detail? Check out our guide to IoT connectivity.
IoT connectivity is essential for enabling data exchange between devices, allowing them to communicate and perform actions in real-time. It’s also essential for scalability, allowing more devices to be added without compromising performance.
A standard mobile SIM is primarily designed for devices such as smartphones and tablets. An IoT SIM is designed specifically for connected devices and machine-to-machine communication, where requirements can include multi-network access, remote SIM management, global roaming, fixed IP addresses, private APNs and long-term deployment.
Cellhire’s multi-network IoT connectivity provides access to all four major UK networks, EE, O2, Vodafone and Three, and more than 430 networks across 191 countries globally, depending on the selected solution and deployment. We also offer a single network option on EE.
Cellhire’s SIM Management Portal enables businesses to manage connectivity centrally. Users can monitor SIM status and usage, provision or bar SIMs, access reporting, set automation rules and connect their own systems using APIs.
IoT connectivity can incorporate several network-level security controls. Cellhire provides options including private and public IP addressing, private APNs, L2TP, IPSec tunnelling and secure VPN access, depending on the requirements of the deployment.
No. The right connectivity depends on what the device needs to do. A high-bandwidth application such as connected CCTV may benefit from 4G or 5G, while a battery-powered sensor transmitting small amounts of data may be better suited to LPWAN technologies such as NB-IoT or LTE-M.
M2M connectivity generally refers to direct communication between machines or devices without human involvement. IoT is broader and can connect large numbers of devices to cloud platforms, applications and other systems. Both can use cellular SIM connectivity to transmit data.
Global IoT connectivity works by enabling devices to transmit data securely and seamlessly across borders using a robust network of operator partnerships. Global IoT connectivity providers like Cellhire have networks that span over 430 relationships across 191 countries, ensuring that your IoT devices can connect and operate reliably no matter where they are deployed.
Global IoT connectivity relies on communication networks that allow IoT devices to connect to the internet from virtually any location.