OnSiren — Frontline. Connected.

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THU APR 233:02 AM

OnSiren gives security officers real-time threat intelligence and connects them with the officers around them.

A safer community starts with a connected security frontline.

OnSiren app

The App for the Frontline.

Talk, alerts and briefings in one app.

Meet Alpha One

Your AI threat-intelligence partner.

OnSiren app · Communication

Your Channel, Live.

Push to talk, captioned and translated.

The OnSiren app map: the St James’s channel with six officers on it, the MI5 threat level, the local crime rate and a push-to-talk button. Radio transmissions in Polish, Spanish and Romanian are captioned and translated into English.

OnSiren app · Incidents

Every Alert, the Moment It Lands.

Emergencies and lookouts in one log.

The OnSiren app Logs screen: a physical assault alert, a BOLO, a suspicious-person report and a road-closure advisory, with acknowledgement counts.

OnSiren app · Intelligence

Meet Alpha One

Briefed Before You Start.

Alpha One, the AI in the system, briefs you for your shift.

  • Daily briefYour local picture, wherever you are.
  • Threat alertsImportant changes near you, even when you work alone.
  • Radio checkStay connected to your local channel.
The Alpha One channel brief: an emergency raised on the channel, the weather, what to watch for, a verified OnSiren signal and a lookout.
The OnSiren app map: the St James’s channel with six officers on it, the MI5 threat level, the local crime rate and a push-to-talk button. Radio transmissions in Polish, Spanish and Romanian are captioned and translated into English.
The OnSiren app Logs screen: a physical assault alert, a BOLO, a suspicious-person report and a road-closure advisory, with acknowledgement counts.
The Alpha One channel brief: an emergency raised on the channel, the weather, what to watch for, a verified OnSiren signal and a lookout.
  • Daily briefYour local picture, wherever you are.
  • Threat alertsImportant changes near you, even when you work alone.
  • Radio checkStay connected to your local channel.
THU APR 233:02 AM
Westminster10 online
STATUSNETWORK ONLINE
SIERRA07

Suspicious Activity

WhenNow
ChannelWestminster
1:03
Transcribed message

Two males refused entry at the door just now — aggressive with my colleague, wouldn’t give ID. They’ve gone north past the station, one in a grey hoodie, one in a red cap. Eyes out if they come your way.

Reported by

SIERRA07

Seen by

9 OFFICERS

Broadcast
Issued by Police

Advisory

Two males refused entry at a Westminster venue, reported heading north on foot. Do not approach. Report any further sightings.

Status

Active · Westminster channel

Connected to the frontline.

Law Enforcement

Intelligence from the connected frontline.

Verified SIA-licensed officers are the eyes and ears on the ground. Their alerts, radio traffic and local picture give your force timely intelligence when it matters.

OnSiren real-time incident map with live officer positions
OnSiren advisory and BOLO broadcast detail screen

Advisories and BOLOs, across the network.

Send targeted advisories and be-on-the-lookout notices to the areas that need them. Keep the connected frontline informed as the picture changes.

OnSiren advisory sent to a borough area

A force multiplier for your force.

Connect the security officers already working across your borough. Turn their shared alerts and local intelligence into a stronger picture for policing. Your own units are never shown on the map.

Multiply your reach
across the borough.

Request Access

Businesses

Clear instructions.
When it matters.

Send clear, targeted instructions to the people who need them. Evacuate, move to a safe place, lockdown or all-clear. Help your team act quickly and consistently.

OnSiren crisis broadcast: a Fire/Explosion emergency pushed to every team member at once
OnSiren live venue map showing every team member on post

Know what is changing
around your venue.

Receive relevant updates from frontline officers and local advisories, helping your team build the picture before and during an incident.

One clear line
of communication.

Create controlled channels for the people responsible for your procedures. Keep the right teams informed, aligned and ready to act.

Strengthen your venue’s preparedness.

Book a Demo

On airLearn with OnSiren

Radio communication training course

Build your radio confidence with Anthony. Learn call procedure, the phonetic alphabet and radio discipline, then put your knowledge to the test.

Modules
10
Minutes
66
Certificate on passing
Free
Explore the courseSee the 10 modules
The history. The language. The practice.
Two views of the historic BC-611 hand-held radio

OscarNovemberAlfaIndiaRomeo

Tune in

One module per channel

CH 015:02Reaching people you can’t see

Get on the network with the OnSiren app

Talk to the officers around you, raise an alert in one tap and start every shift with a brief from Alpha One.

Install the app

One app for every SIA licensed officer in the UK. Free on iPhone and Android.

  1. Scan the code or tap your storeTap your store below
  2. Verify your SIA licence
  3. Claim your call sign and go on air

Reserved a call sign before launch? Sign up with the same phone number and it is waiting for you.

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OnSiren — Frontline. Connected.