Lamport S1
Modern alarm transmission over 4G. Straightforward to install and ready to integrate.
Discover S1

The S1 alarm transmitter and the Alarm Portal connect your security systems. Swedish innovation, from signal to action.
Reliable alarm communication meets clear, accessible information. Built for those who install, manage and protect.
Modern alarm transmission over 4G. Straightforward to install and ready to integrate.
Discover S1
Alarm events, installation details and documentation. Together in one place.
Explore the portal
S1 and the Alarm Portal bring technology and people together. From installation to alarm reception.
Availability through established distribution partners.
Installation, commissioning and support close to the customer.
Connect existing security systems and technical solutions.
Alarm transmission to connected receiving centres.
Hedengren and Lamport integrate Firescape with the S1 alarm transmitter to connect fire safety, secure alarm communication and digital management.
Read moreAll S1 tests with SOS Alarm are complete. Alarm reception must be commissioned before installers can place orders.
Read moreAhead of Skydd 2026, Lamport presented how S1 and the Alarm Portal connect products, integrations and partners.
Read moreAre you an installer, distributor or system integrator? Let’s create more value for your customers together.
Become a partnerRecurring business opportunities
Practical technical support
Training and documentation
Joint market development
Manuals, data sheets, firmware and installation videos in one place.
See what S1 and the Alarm Portal can do for your business.