Eliminate the guesswork when selecting the right SIM for your alarm system. Our SIM card is purpose-built for alarm system use, offering a reliable and hassle-free solution. If you have been effected by the BT switch off of PSTN landlines and have moved over to a GSM dialler this SIM is ideal for you.
To keep things as simple as possible We only have one SIM type. No matter which webpage you look at on our site the SIM remains the exact same one.
All you have to do is select the Correct Size SIM for your product. Please check with your hardware provider or device instructions for the correct SIM size to order.
Security SIM - The Ultimate SIM for All Devices
Our Security SIM is designed to meet the diverse needs of any device. Unlike other SIM cards, it utilizes multiple UK network masts, including EE, Orange, T-Mobile, and BT Mobile, ensuring robust coverage.
Comprehensive Coverage for Peace of Mind
Our Security SIM covers all essential GSM bands, including 2G, 3G, and 4G, guaranteeing seamless connectivity. With no PIN or activation required, our SIM is supplied ready to use, simplifying the installation process for security installers, service providers, and facilities companies.
Trusted and Proven Solution
With a track record of 10 years and thousands of satisfied customers across the UK, our Security SIM has established itself as a trusted and reliable choice. Experience the peace of mind that comes with a guaranteed UK network signal or enjoy a full 100% refund.
Business-Friendly with VAT Invoice. For our business users, we provide a VAT invoice with every SIM purchase, ensuring easy accounting and record-keeping.
Choose our Preloaded Credit Alarm System SIM today and unlock enhanced security and connectivity for your devices. Trust in our reliable solution to keep you connected when it matters most.