5 Conqueror Court, Spilsby Road, Harold Hill, Romford, RM3 8SB Send us a mail sales@nssg.co.uk Call Us On 0800 0836 400 GET A FREE QUOTE Intruder Monitoring Services THREE TIER OF PROTECTION ESSENTIAL ADVANCE ADVANCE EXTRA Three Tier Of Protection TIER ONE Fully Independent Protection - Via GPRS Push notification for event 24th System health monitoring GPRS Airtime – Gemini Secure alarm monitoring Platform 24/7 Technical Support TIER TWO Monitored Keyholder Protection - Via GPRS Push notification for event 24th System health monitoring GPRS Airtime – Gemini Secure alarm monitoring Platform 24/7 Technical Support Central Station 24/7 Monitoring and keyholder notification via telephone call from our operators One service visit included TIER THREE Monitored Police Protection - Via GPRS Push notification for event 24th System health monitoring GPRS Airtime – Gemini Secure alarm monitoring Platform 24/7 Technical Support Central Station 24/7 Monitoring and keyholder notification via telephone call from our operators Police response to confirmed alarm Two service visit included Enquiry Form NSS Monitored Alarm Signalling System ESSENTIAL Wireless Monitored Alarm Signalling System With Essential, you get simple, affordable wireless alarm signalling. It comes with a SIM card that switches between the main UK mobile network, so you always get the best connection. It is also monitored by experts that keep an eye on your property day and night. All year round. Give you monitored protection For your home or business Comes with mobile signalling Which is great if you don’t have a landline Uses less power and comes in recyclable packaging It’s a great news for the environment and your utility bills Enquiry Form ADVANCE Dual Path Monitored Alarm Signalling System A Flexible Way to your protect home or business Advance gives you home and business alarm signaling that can be changed with your needs. It comes with two signaling paths for twice the reassurance. Also monitored by experts that keep an eye on your property day and night. So if something triggers your alarm, they’ll know about it. Fast. Double the reassurance With both an IP connection and two 4G SIMS, We’ve got you covered. No matter what. Comes with mobile signalling Which is great if you don’t have a landline Uses less power and comes in recyclable packaging It’s great news for the environment and your utility bills Enquiry Form ADVANCE EXTRA Dual Path Monitored Alarm Signalling System An adaptable upgradeable signalling system that's small and easy install Advance give you home and business alarm signaling that can be change with your need. It comes with two signaling paths for twice the reassurance. Also monitored by experts that keep an eye on your property day and night. And it’s come with even faster reporting times. That means if there’s a fault with connection, experts will know about it in just 180 seconds . Double the reassurance With both an IP connection and two 4G SIMS, We’ve got you covered. No matter what. Along with fire and security signalling Which is great if you don’t have a landline. Uses less power and comes in recyclable packaging It’s a great news for the environment and your utility bills. Enquiry Form Contact us 5 Conqueror Court, Spilsby Road, Harold Hill, Romford, RM3 8SB 0800 0836 400 01708 370643 sales@nssg.co.uk Navigation Home Testimonials Residential Our Clients Commercial Feedback Policy Packages NSS Security Systems Limited trading as National Security Systems Group | Registered in England and Wales. Registered Office: 5 Conqueror Court, Spilsby Road, Harold Hill, Romford, RM3 8SB | Company No.07800341 | VAT No.123 0162 73 Designed by The Chung Partnership Produced by IIH Global