Intruder Alarm Systems — Professional Installation Across the UK
Ajax-powered wireless security for new installations. Full support for existing Honeywell, Texecom, Pyronix and all major systems. Free survey, nationwide coverage.
Authorised Ajax Installer
For all new intruder alarm installations, Prism specifies Ajax Systems — the world's fastest-growing professional security platform, trusted by over 4.5 million users worldwide. Ajax's Jeweller wireless protocol delivers encrypted, tamper-proof communication with a device range of up to 1,700 metres, while a single mobile app puts complete control of your security system in your pocket.
The System Behind the Security
Every component in an Ajax system communicates via the encrypted Jeweller protocol. Tamper-resistant, battery-powered and wireless — with no compromises on reliability.
Ajax Hub 2 Plus
The central brain of every Ajax installation. Connects via Ethernet, Wi-Fi and dual SIM simultaneously, meaning your alarm is online even if one connection is severed. Built-in battery backup keeps the system running during power cuts.
- Ethernet + Wi-Fi + dual SIM (2G/LTE)
- Supports up to 99 devices
- Built-in tamper and jamming detection
- PD 6662:2017 and EN 50131 Grade 2/3
MotionProtect Jeweller
A precision PIR motion detector using Ajax's SmartDetect algorithm to distinguish genuine human movement from pets and environmental changes.
- 12m range, 88.5° detection angle
- Pet immunity up to 20kg
- Up to 5-year battery life (CR123A)
- 1,700m wireless range to hub
DoorProtect Jeweller
Magnetic opening detector for doors, windows, cabinets and gates. Alerts instantly when any protected point is opened. Tamper alarm activates if the device is removed.
- Instant open/close detection
- Tilt sensor for tamper detection
- Up to 4-year battery life
- Suitable for internal and external doors
GlassBreak Jeweller
Detects the sound and vibration of breaking glass up to 9 metres away. Dual-stage algorithm prevents false alarms while guaranteeing detection of forced entry.
- 9m detection range
- Dual acoustic + shock detection
- Works on standard, tempered and wired glass
- Up to 5-year battery life
StreetSiren Jeweller
Outdoor sounder/strobe for perimeter alerting. Loud, weather-resistant and tamper-protected, designed to deter intruders before they reach entry points.
- 113 dB alarm signal
- IP55 weather resistance
- Built-in battery for power-cut resilience
- LED strobe for visual deterrence
Ajax Security App
One app for every Ajax device: intruder alarms, CCTV cameras, fire detectors, access control and automation. Free on iOS and Android.
- Arm, disarm and manage remotely
- Instant push notifications for every event
- Photo verification on supported hubs
- Multi-user access with permission levels
We Support All Major Brands
Ajax is our system of choice for new installations — but we're equally at home with any existing manufacturer. Whether you have a legacy panel needing a service, a system that needs upgrading or a maintenance contract you want to transfer, our engineers are trained across all leading platforms.
We can take over maintenance, carry out fault-finding, add zones, update firmware and advise on whether a full upgrade to Ajax makes long-term sense for your site.
Understanding Alarm Grades — BS EN 50131
Basic domestic. Suitable for properties with low intrusion risk.
Most common for monitored systems. Required for police URN registration. Ajax achieves Grade 2.
Higher-value commercial premises. Ajax achieves Grade 3 on supported configurations.
Highest-risk sites. Specialist design required. Contact us to discuss.
Frequently Asked Questions
Protect Your Property with an Ajax Alarm System
Book a free, no-obligation survey. Our engineers will assess your site, specify the right system and provide a fully itemised quote — usually within 24 hours.