- Alarmanlagen (Funk & Draht)
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- Alarmanlage, Alarm, Baustelle, Baustellenüberwachung

Effective construction site security encompasses far more than just barriers and construction fences.
Inadequately secured construction sites cause millions of euros in damage annually due to theft and vandalism. High-value machinery, tools, and valuable materials such as metals and copper pipes are often easy targets.
Not only new buildings are particularly at risk, but also existing buildings that remain in use during partial renovations. During the construction phase, areas such as apartments or offices often remain in use, while others remain unsecured. Missing windows and doors on facades allow easy access to valuable items such as laptops, projectors, or cash register systems. Construction work in sensitive areas such as museums, galleries, or shopping centers is particularly critical.
The damage often affects more than just the material value of the stolen materials. Higher insurance premiums, disruptions to the construction process, and in the worst case, even a halt to construction can be the consequences.
This makes it all the more important to take preventative measures against theft and vandalism and to reliably monitor the construction site around the clock, including on weekends.
One challenge: Many construction sites only have temporary power supplies, and the areas to be secured are constantly changing depending on construction progress and requirements.
The solution?
A flexible and reliable system that can be installed quickly and independently of the power grid by experts. AJAX wireless alarm systems require no power supply or cabling. The individual components communicate wirelessly with each other and can be combined and expanded as desired. Customized and reliably protected thanks to patented technology – for maximum security.
Ready for use around the clock – without power or cables.
Even without a power connection, outdoor areas and scaffolding can be easily secured with wireless AJAX outdoor detectors. Indoor areas can be protected just as quickly and easily with outdoor or indoor detectors, depending on requirements.
The detectors can be attached to a construction rafter, a scaffolding section, a board, or a mobile post in just a few minutes – no complex cabling is required.
All system components are secured against forced opening, dismantling, and tampering. The dual-protected TwinBand® wireless technology offers 100% reliable protection against intentional or unintentional radio interference.
Another advantage: Time-controlled activation and deactivation ensures that the construction site is automatically monitored even after work and on weekends. If someone attempts to break in, the thief is detected outside, behind the construction fence. The security service is immediately alerted and can respond quickly.
After construction is completed, the system can be easily uninstalled and reused at the next construction site.
An investment that pays off in every respect: No construction interruptions due to vandalism, no financial losses due to theft, and a flexible system that can be used again and again.
Customized security
For many years, AJAX has been the European market leader in wireless security technology. All systems operate completely independently of the power grid, can be installed quickly, expanded flexibly, and easily reused at a new location after uninstallation. This makes AJAX wireless alarm systems the ideal solution for reliable security on construction sites.
Let us advise you on which AJAX system or components are best suited to your property. We'll support you throughout your project from start to finish.