NIKOS is not a conventional PA system, but a radio-based public address, alarm and control system for large events, construction sites and crisis situations, which you can rent by the day through certified partners and either integrate into your PA or use on its own.
ChallengeAt EXPO 2027 Belgrade, delivering evacuation announcements is particularly challenging due to dense crowds, a noisy environment and visitors speaking different languages. Warnings and instructions must reach everyone clearly and understandably, even when visitor numbers are high. In an emergency, background noise and the high density of visitors make rapid evacuation more difficult. In addition, public communication networks may become overloaded by the large number of visitors.
With 
, announcements, system monitoring, visitor information and device control come together on a single platform — fully independent of the public network. ![NIKOS [dispatcher]²](https://nikos.info/assets/logos/nikos/SVG/NIKOS dispatcher.svg)
controls the announcement units for individual announcement locations, specific areas or the entire site. This allows evacuation instructions to be issued as needed while reducing the effort required for separate control devices, cabling and operating personnel.
fully meets DIN EN 50849 "Electroacoustic Emergency Warning Systems". The system was specifically designed for safety-relevant announcements and alerting and is technically built for both everyday and emergency use. DIN EN 50849 is the relevant standard for radio-based ELA systems such as . Because , unlike mobile network-based systems, operates independently of an external network, immediate usability is guaranteed at all times — fully meeting the standard's requirements as a result. Other safety-related standards such as DIN EN 54, DIN VDE 0833-4 and DIN 14675 (voice alarm systems), by contrast, do not apply to , as they concern a different field of use and functional scope and are therefore not relevant to 's deployment. As the only public address system for temporary and mobile applications consistently designed around the demands of mission-critical use, has been used successfully for crisis-proof communication tasks since 2017. RADACOM and your regional partner will be happy to advise you on ’s wide range of functions and support you in implementing the requirements cost-effectively. was specifically developed for flexible outdoor use without fixed infrastructure. One or two people can mount the modules on various structures such as street lamps, stages, stalls or trees within just a few minutes and configure them individually. A standard Schuko power outlet is sufficient for continuous operation. can use an existing digital radio network when required. operates via its own autonomous radio network and is completely independent of public communication networks and their availability. This makes the system highly resistant to external influences. Because does not rely on cable connections but communicates by radio, the connection is automatically re-established after an interruption. therefore responds far more resiliently to disruptions of normal operations than many other systems, demonstrating the crisis resilience of this communication system. ![NIKOS [audio]²](https://nikos.info/assets/logos/nikos/SVG/NIKOS audio.svg)
has an internal battery with a runtime of up to 16 hours and also powers connected accessory modules. Even if the mobile network is overloaded, the internet provider has been hacked or someone has pulled out the wrong plug, continues to operate. This ensures that evacuation announcements for EXPO 2027 Belgrade remain reliably functional even in the event of a power failure or disruptions to public communication networks. can be used to implement various functions via a single, unified communication platform. These savings can quickly offset the rental and installation costs of . You can find some specific examples of potential savings here. When its wide range of functions is used consistently, often delivers savings in the overall budget in addition to increasing the level of safety and making employees’ work easier. primarily reduces the effort required for separate loudspeaker, control and communication solutions. Less material and cabling are needed, while information and emergency announcements can be made from a single location. can also specifically replace personnel: tasks that would otherwise require several security, reporting or operating posts distributed across the site can be handled from one location through central announcements, remote control and status monitoring. This can reduce staffing requirements or allow personnel to be deployed more effectively at safety-critical points. The greatest savings potential arises at fenced events: monitoring emergency exit gates technically with can replace security guards stationed at emergency exits or allow them to be deployed more effectively elsewhere. This offsets rental and installation costs through savings in personnel and other technology. Particularly for temporary, time-limited events, this significantly reduces the costs of planning, setting up and operating safety technology. is rented by the day through certified partners, including consulting, instruction and technical support. Requests are handled via the rental page. Find a partner and request a rentalTalk to us about your requirements – we will advise you with no obligation.
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