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Monitored Intruder Alarms
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The most reliable solution is a monitored alarm system that communicates with an Alarm Receiving Centre (ARC). A third party provider runs the ARC, responding 24/7 to alarm signals by calling key holders and the local police or fire & rescue service.

The ARC, often referred to as Central Station, will use automated software to monitor and respond to alarms, but it will also be staffed, so there's no risk of technology failure preventing notification calls.

For large premises in remote locations, high risk properties, or properties that are occupied part time, you may find that a monitored alarm system is a requirement for your insurance policy. Most commercial premises use this kind of system. If you have particularly valuable items in your property, such as technology equipment, expensive jewellery or you run a business from home with computer storage or specialised equipment, we recommend a monitored intruder alarm system.

Digital Communicator Key Features:

Also known as Digicom, these systems were among the first digitally monitored systems to be launched. Digicom’s use their own dedicated phone line, which must have incoming calls barred. This is to prevent a cunning intruder calling the line to engage it, so that the system can't call out.

The Digicom is mounted in the alarm control panel. When the alarm is activated, it dials out to the ARC and sends packets of data in a secure encrypted format that's decrypted by software at the ARC. The ARC will then take appropriate action by notifying key-holders or calling the police.

Holman Security Systems Monitored Intruder Alarms in the West Midlands

Pros:

Alarm activations are securely sent to a 24/7 monitored Alarm Receiving Centre that will always respond.

It's relatively cheap to buy the digital communicator and it can be moved with you if you move house.
Holman Security Systems Monitored Intruder Alarms in the West Midlands

Cons:

You have to pay an annual subscription to the monitoring station (ARC).

You will need an annual maintenance contract with us.

If the telephone line is cut, then the system will not be able to call out

Single Path Signalling Key Features: A single path signalling system can dial out using either the GSM mobile network, GPRS mobile data network or a fixed BT phone line with Redcare Classic. It can send more sophisticated information to the ARC. For example, it might report the type of alarm, such as a personal attack or intrusion activation, including the zone triggered within the property. The biggest advantage is that the signalling path itself is monitored. That means that if the phone line is cut or the GSM or GPRS signal fails, the monitoring station will know about it and will treat it as intruder activation.

Holman Security Systems Monitored Intruder Alarms in the West Midlands

Pros:

Alarm activations are securely sent to a 24/7 monitored ARC that will always respond.

The signal path is monitored, so any attempt to tamper with it will be notified to the ARC.

It can send out more detailed information than a digital communicator, so key holders, police or the fire service are better informed and ready to deal with the situation when they arrive on site.

You can use an existing wired telephone line, with a cable extending it to the alarm panel.
Holman Security Systems Monitored Intruder Alarms in the West Midlands

Cons:

You have to pay an annual subscription to the ARC.

If installed on an existing line, you may need to add an ADSL filter which separates digital data transfer from voice.

You need to pay for a monthly SIM card subscription if you choose a mobile communications path.

Dual Path Signalling Key Features: Instead of having one channel to communicate with, these systems have a primary and a back-up signalling path. That means if there's a fault or problem with the primary channel, such as a wired line, it will automatically use the back-up channel, such as the GSM mobile network.

There are many combinations of signal paths you can choose, combining old and new technologies. Depending on the infrastructure you already have, or are prepared to invest in, you could combine two of wired line (PSTN), mobile (GSM), GPRS and your broad-band service (IP).

There are lots of different types of these systems on the market as many companies have built services around their core communication technologies.

We commonly use DualCom and Redcare GSM products.

Holman Security Systems Monitored Intruder Alarms in the West Midlands

Pros:

Alarm activations are securely sent to a 24/7 monitored ARC that will always respond.

Dual signalling gives you added security because of the back up signalling path.

ARC notification within 40 seconds.

Redcare GSM is Grade 4 rated in the European Standards, meaning it's suitable for the highest identified level of risk.

You can choose GSM Roaming the system can use any UK mobile network and selects the strongest signal available. If one network is down, the system will use another.
Holman Security Systems Monitored Intruder Alarms in the West Midlands

Cons:

You have to pay an annual subscription to the monitoring station.

You will need an annual maintenance contract with us.

You need two reliable signalling paths.

Holman Security Systems

We can supply and install Monitored Alarm Systems up to British Standards EN50131 / PD6662 risk Grade 3.

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