Ajax Smart Alarm Grade & Hardware Selector

Engineered by Gary Pearce (25+ years security & telecom engineering experience, £10M Public Liability Insured). Determine exact EN 50131 Grade 2 vs Grade 3 compliance, Jeweller RF range through UK masonry, and required cellular failover channels.

Property & Risk Parameters

Property Type

Exterior Wall Construction

Security Detection Zones

Outdoor Curtain / Patio PIR Photo-on-Demand (PhOD) External 113dB StreetSiren TouchScreen KeyPad

Insurer Security Grade Mandate

Recommended Grade EN 50131 Grade 2

Core Control Panel

Ajax Hub 2 Plus

Equipped with 4 independent communication channels: Gigabit Ethernet, Wi-Fi, and Dual Micro-SIM 4G/LTE cellular failover.

Jeweller RF Frequency: 868.0 – 868.6 MHz (TDMA)

Signal Range (Open Field): Up to 2,000 metres

ReX Range Extender Needed: No (Direct Coverage)

Battery Operating Life: Up to 5 to 7 Years (Pre-fitted CR123A)

Tamper & Anti-Jamming: Frequency Hopping • Instant Push

Installed Trade Estimate From £599 + VAT

Includes professional physical installation, brickwork commissioning, mobile app encryption, and £10M liability warranty.

Book Survey With Gary: 07860 244 274 View All Services • adicommunications.co.uk

Why Ajax Smart Alarms Outperform Legacy 433MHz Bell Boxes

Feature	Legacy 433MHz DIY Alarm	Ajax Jeweller Smart System
Radio Protocol	Unencrypted 433MHz (easily jammed)	868MHz Encrypted TDMA + Frequency Hopping
Power / Line Cut Protection	None (router cut = system offline)	Dual SIM 4G + Internal 16hr Battery Backup
Visual Verification	None (audio siren only)	MotionCam PhOD 9-second animated photos
British Standard Compliance	Uncertified (insurers reject claims)	BS EN 50131 Grade 2 / Grade 3 Certified