<![CDATA[Edgarsson - GSM Alarm Diallers - GSM Alarm Blog]]>Wed, 04 Feb 2026 17:49:47 +0000Weebly<![CDATA[Why it’s time to retire 2G/3G alarm diallers]]>Mon, 02 Feb 2026 18:05:54 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/why-its-time-to-retire-2g3g-alarm-diallersAcross the UK (and globally), mobile operators are shutting down legacy 2G and 3G networks to re-farm spectrum for 4G and 5G. In the UK, industry plans have been to complete 3G switch-off by 2025, and retire 2G by 2033 at the latest—with timings varying by operator and area. Globally, the trend is accelerating: dozens of 2G/3G switch-offs have already happened and many more are scheduled as operators modernise networks.

If you’ve got an alarm system, lift/emergency phone, gate controller, plant-room monitor, or legacy intruder panel relying on a 2G/3G auto dialler, the risk is simple:

Calls stop completing

SMS alerts fail or arrive late

Remote arming/monitoring drops out

You only find out when you need it most

That’s why upgrading before a local switch-off is the sensible move.

Why Edgarsson Ltd’s GSM alarm auto diallers are the right replacement

Edgarsson Ltd’s GSM alarm auto diallers are ideal for replacing older 2G/3G devices because they’re built for the reality of today’s networks: reliable mobile signalling, straightforward installation, and dependable alerting—without having to redesign your entire alarm setup.

1) Designed for continuity as networks modernise

Regulators and industry bodies have been clear that the transition is happening over the coming years. Replacing older 2G/3G-only units with a modern dialler avoids the “silent failure” scenario where the equipment looks powered and healthy—but can’t connect.

2) A practical upgrade path (not a rip-and-replace project)

A good replacement dialler should slot into existing systems with minimal disruption:

Works alongside legacy alarm panels and inputs/outputs

Maintains familiar call/SMS notification workflows

Lets you modernise comms without rebuilding the whole site setup

That’s exactly the niche these diallers serve: keeping proven systems useful while communications tech changes around them.

3) Better resilience for real-world conditions

Network sunsets aren’t just “one day it stops.” In many areas, older layers are reduced, refarmed, or deprioritised first—which can show up as intermittent faults before a full shutdown. Globally, operators are actively progressing these sunsets as part of broader upgrades.
A modern cellular dialler helps you stay ahead of that degradation curve.

4) Fits compliance and duty-of-care thinking

For many organisations—facilities teams, landlords, integrators, care environments, light industrial sites—alarm signalling is part of duty of care. Upgrading early reduces the risk of being caught out by an area-by-area switch-off schedule.

A quick “are we at risk?” checklist

If any of these are true, it’s time to plan a replacement:

The device documentation mentions 2G, 3G, GPRS, EDGE, UMTS, or HSPA

It was installed “years ago” and has never been upgraded

You’ve noticed intermittent SMS/call reliability

The system is in a location with marginal coverage and relied on “old network reliability”

You support multiple sites and can’t afford surprise outages



]]><![CDATA[8 ADDITIONAL ALARM INPUTS / 8 ADDITIONAL REMOTE CONTROL RELAY OUTPUTS]]>Sat, 28 Dec 2024 12:07:50 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/8-additional-alarm-inputs-8-additional-remote-control-relay-outputs

UP TO 256 ALARM INPUTS AND 256 RELAY OUTPUTS !!!


​We now have an expansion module ( EXP 8IO ) for the VAC5+ Alarm Dialler giving 8 extra alarm inputs and 8 additional relay outpus.

Used in conjunction with the EXP BUS module which connects to the VAC5+ dialler to  the 8IO EXP module(s).

Up to 16 EXP 8IO modules can be connecting giving up to a staggering 256 alarm inputs.  All the inputs have their own programmable SMS message !!!

Also with up to 256 remote control relay outputs individually controlled by SMS messages !!!

Prices -
VAC5+ 4G Alarm Dialler ( 4 inputs, 1 relay output) - £195
EXP BUS module - £20+ VAT
EXP 8IO Module - £85+VAT
Enclosure for EXP 8io module - £20+VAT
]]><![CDATA[VAC5+ 4G Voice and SMS Alarm Dialler]]>Fri, 27 Dec 2024 16:59:08 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/vac5-4g-voice-and-sms-alarm-diallerCHOICE OF ENCLOSURES
1. Standard Metal Enclosure
2. IP65 Water-proof Enclosure
​3. Small Plastic Case
]]><![CDATA[More GSM Alarm Dialler Applications]]>Mon, 24 Jun 2024 09:04:26 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/more-gsm-alarm-dialler-applications​Home Security Systems: Notify homeowners of intrusions.
Fire Alarm Systems: Alert owners or authorities in case of fire.
Industrial Equipment Monitoring: Inform operators about machinery faults.
Temperature Monitoring: Notify when temperatures exceed or drop below set thresholds.
Water Level Monitoring: Alert on high or low water levels in tanks or reservoirs.
Power Failure Alerts: Notify about power outages.
Medical Alert Systems: For elderly or disabled individuals to call for help.
Vehicle Security: Alert owners of vehicle break-ins.
Refrigeration Monitoring: Notify when the temperature in fridges/freezers deviates from set levels.
Environmental Monitoring: Alert about changes in environmental conditions like humidity or gas leaks.
Building Management Systems: Inform about HVAC system issues.
Server Room Monitoring: Notify IT staff of server room conditions like temperature and humidity.
ATM Security: Alert of unauthorized access or tampering.
Agricultural Monitoring: Notify about soil moisture levels or other agricultural conditions.
Pipeline Monitoring: Alert of leaks or pressure drops.
Public Transportation Security: Inform about emergencies or security breaches.
Remote Site Monitoring: For remote industrial sites or construction areas.
Solar Power Systems: Alert about system faults or performance issues.
Boat/Marine Monitoring: Notify about water intrusion or other issues on boats.
Elevator Monitoring: Alert if an elevator gets stuck or malfunctions.
Garage Door Monitoring: Inform if the door is left open or forced open.
Animal Housing Monitoring: Alert about conditions in animal housing.
Greenhouse Monitoring: Notify about temperature, humidity, or other conditions.
Warehouse Security: Alert of unauthorized access or environmental conditions.
Hotel Security: Inform of emergencies or security breaches.
Air Quality Monitoring: Notify about dangerous levels of pollutants or gases.
Flood Detection: Alert about impending flood conditions.
Generator Monitoring: Inform about generator status and performance.
Lighting Systems: Alert about faults in street or building lighting systems.
Irrigation Systems: Notify about irrigation system issues.
Library Security: Alert about unauthorized access or theft.
Parking Lot Security: Inform of security issues or unauthorized access.
Communication Towers: Alert about tower equipment issues.
Vending Machine Monitoring: Notify about malfunctions or stock levels.
Remote Pump Stations: Alert of pump malfunctions or status.
Wind Turbine Monitoring: Notify about performance or faults.
Railway Crossing Systems: Alert of system failures or unauthorized crossings.
Telecom Equipment Monitoring: Inform about equipment status and faults.
Event Management Systems: Alert about security issues at events.
Bank Vault Security: Notify of unauthorized access or tampering.
Museum Security: Alert of intrusions or environmental conditions.
Data Center Monitoring: Notify about conditions like temperature and humidity.
Public Building Security: Inform of emergencies or security breaches.
Traffic Signal Monitoring: Alert about malfunctions or faults.
Battery Backup Systems: Notify about battery status and faults.
Pipeline Valve Monitoring: Alert of valve status and malfunctions.
Remote Energy Metering: Notify about metering system issues.
Fishing Vessel Monitoring: Alert about conditions or security on fishing vessels.
Telecom Base Stations: Inform about base station status and issues.
Smart City Applications: Notify about various smart city infrastructure conditions and alerts.]]><![CDATA[GSM Alarm Dialler Applications]]>Mon, 24 Jun 2024 09:02:28 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/gsm-alarm-dialler-applications​Home Security: Automatically dials your phone when a break-in is detected.
Fire Alarm System: Alerts you instantly in case of fire or smoke.
Elderly Care: Notifies caregivers in case of an emergency.
Vehicle Security: Sends an alert if your car is tampered with.
Industrial Monitoring: Monitors machinery and notifies in case of a malfunction.
Agricultural Monitoring: Alerts farmers about temperature or humidity changes in greenhouses.
Remote Property Protection: Secures holiday homes or remote properties.
Pet Safety: Notifies you if your pet escapes from a designated area.
Child Safety: Alerts parents if a child leaves a safe zone.
Medical Alert System: Sends alerts to healthcare providers for patients with chronic conditions.
Water Leak Detection: Notifies you of potential flooding risks.
Boat Security: Alerts you of unauthorized access to your vessel.
Office Security: Monitors office spaces for unauthorized access.
Warehouse Management: Alerts managers to potential security breaches.
Construction Site Safety: Notifies of unauthorized access or equipment tampering.
Public Building Security: Ensures safety in schools, hospitals, etc.
ATM Security: Alerts authorities in case of tampering.
Bank Vault Security: Notifies of unauthorized access attempts.
Data Center Security: Monitors for unauthorized access to sensitive areas.
High-Risk Area Monitoring: Secures areas with valuable assets.
Retail Store Security: Alerts in case of break-ins or theft.
Parking Lot Security: Monitors for suspicious activity.
Perimeter Security: Protects the boundaries of large properties.
Personal Safety: Alerts family members in case of personal emergencies.
Environmental Monitoring: Notifies of abnormal environmental conditions.
Server Room Monitoring: Alerts in case of temperature or humidity changes.
Refrigeration Units: Notifies if temperature thresholds are crossed.
Power Outage Alerts: Sends notifications during power failures.
Remote Gates: Monitors and alerts about unauthorized access.
Air Quality Monitoring: Sends alerts if air quality deteriorates.
Fuel Tank Monitoring: Alerts when fuel levels are low or if there's a leak.
Livestock Monitoring: Notifies of any issues with animal enclosures.
Remote Equipment Monitoring: Ensures the safety of off-site machinery.
Vacation Home Security: Protects homes when you are away.
School Safety: Alerts in case of intrusions or emergencies.
Pool Safety: Notifies if unauthorized access to the pool area occurs.
Hazardous Material Storage: Monitors for leaks or breaches.
Remote Alarm Systems: Integrates with existing systems for better monitoring.
Solar Panel Monitoring: Alerts about issues with solar energy systems.
Wind Turbine Monitoring: Notifies of any malfunctions or breaches.
Pipeline Monitoring: Alerts about leaks or unauthorized access.
Bridge Safety: Monitors structural integrity and alerts about issues.
Railway Safety: Ensures the safety of rail infrastructure.
Mining Operations: Monitors for unauthorized access or safety breaches.
Event Security: Enhances security during large gatherings.
Museum Security: Protects valuable exhibits.
Library Security: Monitors for unauthorized access or theft.
Airport Security: Enhances security measures in various airport areas.
Stadium Security: Ensures safety during events.
Zoo Security: Protects both animals and visitors.]]><![CDATA[Alertz - Wireless Alarm Control Panel with built-in GSM Connectivity]]>Mon, 04 Jul 2022 09:54:39 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/alertz-wireless-alarm-control-panel-with-built-in-gsm-connectivity
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]]><![CDATA[INTRODUCING THE NEW VAC5+ 4G VOICE AND SMS ALARM DIALLER]]>Sun, 06 Mar 2022 08:19:37 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/introducing-the-new-vac5-4g-voice-and-sms-alarm-dialler5 INPUT ​GSM SMS ALARM DIALLER ON THE 4G NETWORK

5 alarm inputs
1 NO/ NC relay output which can be controlled either by SMS from unlimited phone numbers or by voice call from 1000 phone numbers
8 notified phone number can be set
SMS, voice message, Contact ID
INPUT AND OUTPUT Expansion possiblity
GPRS transmission to the monitoring station, by Enigma and SIA IP protocol
Programming by SMS, PC and android application via Bluetooth and Internet
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]]><![CDATA[Low cost Empty Property Alarm]]>Sun, 22 Mar 2020 13:47:22 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/low-cost-empty-property-alarmThis is a low cost empty property alarm for vacant property.  It is baterry powered, with a PIR sensor to detect intruders and sends SMS text messages to up to four phone nembers.
gsm empty property alarm
]]><![CDATA[Generator Alarm System]]>Mon, 16 Mar 2020 09:44:52 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/generator-alarm-systemOur GSM-VAC4+ GSM Alarm Dialler can monitor mains failure detection and generator stop / starts and also monitor other aspects of the generator e.g. fuel levels and over temperature alerts. Plus you can connect anything else on the site than you would like to monitor e.g. Security systems, High/Low temperatures, Water levels etc.
]]><![CDATA[GSM ALARM DIALLERS IN POULTRY / EGG PRODUCTION]]>Tue, 10 Mar 2020 08:31:51 GMThttps://www.gsm-alarm.co.uk/gsm-alarm-blog/gsm-alarm-diallers-in-poultry-egg-production
Which came first the chicken or the egg? Well, our GSM Alarm Diallers are the first choice by many poultry and egg producers. Monitoring temperature, water and feed levels are vital in these industries and alarm messages, in the form of programmed voice and / or SMS text messages sent from our GSM Alarm units direct to up to 10 phone numbers ensures a swift response to problems.
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