Dan McDonnell

IoT Technical Pre-Sales & Product Manager

Dan has more than 10 years of experience in IoT and cellular connectivity, specialising in SIM, eSIM and eUICC solutions. He has a strong track record of working with customers across industries including Media & Broadcast, Construction, Retail and Security to design connectivity solutions tailored to their needs. As Technical Pre-Sales & Product Manager at Cellhire, Dan acts as the bridge between customer requirements and product development, ensuring solutions are both practical and scalable.

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Knowledge areas

IoT & M2M Connectivity

Solution Design

Vertical Expertise

Blog articles by Dan McDonnell

23 Jul 2026Why Mobile Broadband SIMs Are the Wrong Choice for Temporary CCTV DeploymentsMobile broadband SIMs leave your CCTV cameras exposed on the public internet. Discover why IoT SIMs deliver the coverage, security and compliance that surveillance deployments demand.IoTSecurity6 min read
23 Jul 2026Why Your Construction Site Camera Feed is a Cyber Target (And the Risk to You and Your Customer)Mobile broadband SIMs leave construction site CCTV cameras on public IP addresses, visible to automated scanners. Here's what that means for your deployments, and how to fix it.IoTSecurity4 min read
23 Jul 2026Permanent Roaming and IoT SIMs: What Temporary CCTV Operators Need to KnowPermanent roaming sounds like a feature. In practice, it can mean unstable connections, battery drain and devices your platform can't reach. This is what's happening inside your SIM.IoTSecurity7 min read

16 Jul 2026Why Single-Network Connectivity Is the Biggest Risk to CCTV UptimeA camera that goes offline is a liability. Discover why single-network SIMs increase CCTV downtime risk and how multi-network connectivity closes the gap.IoTSecurity4 min read
30 Mar 202610 IoT Security Blind Spots and How to Avoid ThemProtect your connected devices from overlooked risks. Discover the 10 IoT security blind spots highlighted by global standards and learn practical steps to avoid them.IoT16 min read
16 Mar 2026Top 6 IoT Connectivity Challenges and How to Overcome ThemDiscover the top 6 IoT connectivity challenges and the SIM strategies that solve them. From coverage gaps to SIM fraud, learn how to future-proof your deployment.IoT9 min read
20 Oct 2025What Is SGP.32? A practical guide for IoT businessesDiscover SGP.32, GSMA’s new eSIM standard for secure, scalable IoT connectivity, supporting remote provisioning, operator switching, and global use.IoT3 min read
10 May 2024IoT SIM cards – beyond ordinary connectivityIn the realm of IoT connectivity, when does something so seemingly commonplace actually pose a risk to your business? As it turns out, the differences between a traditional mobile SIM card and an IoT SIM card are very significant.IoT3 min read

Glossary articles by Dan McDonnell

16 Jun 2025Supercharge your IoT devices with a resilient multi-net SIM cardExplore how multi-net SIM cards boost resilience, cut costs, and ensure roaming coverage for your IoT devices across the UK and globally.2 min read
7 Mar 2025A comprehensive guide to M2M ConnectivityDiscover the ins and outs of M2M connectivity with this comprehensive article that explores all factors of machine-to-machine technology.Connectivity6 min read
19 Apr 2024IoT connectivity – an introductory guideLearn everything there is to know about IoT connectivity with our comprehensive guide from types of IoT connectivity to the key features to consider.Connectivity13 min read

16 Feb 2024What is permanent roaming in IoT devices?Today, the widespread utilisation of IoT devices on a global scale has become a standard operational procedure for many businesses.Connectivity5 min read
3 Jan 2024What is a fixed IP IoT SIM card?A fixed public IP SIM card or a static private IP SIM is a SIM card that is assigned a specific Internet Protocol (IP) which doesn’t change.Connectivity6 min read
5 Dec 2023IoT eUICC – an overview of IoT eSIMsThe term eUICC refers to an Embedded Universal Integrated Circuit Card, also known as an embedded SIM or an IoT eSIM.Connectivity4 min read
9 Nov 2023Narrowband IoT connectivity – a guide to NB-IoTNarrowband IoT or NB-IoT is a type of low-power wide-area cellular technology that is crucial for connecting IoT devices.Connectivity4 min read
12 Oct 2023What is the ICCID number on an IoT SIM card?ICCID stands for Integrated Circuit Card Identification Number. In short, it is a unique set of 18 to 22 digits which is assigned to a SIM card, allowing it to be completely distinguishable and have its own identity.Connectivity5 min read