OnSiren Information

OnSiren is the radio network for UK security officers. Download the app and you're on the net: one tap to talk to every officer on your local channel, wherever you're working. Raise an alert and nearby officers see it in seconds. Turn on radio checks and Alpha One checks you're OK on shift. Miss one, and someone you trust gets a text. Free for every SIA licence holder: onsiren.com/download For security companies: private push-to-talk channels for your mobile team, with live captions and translation into English. onsiren.com/business Frontline. Connected.