Development, production, installation, service of wireless and wired radio, warning devices and flood control measures, including connection to IZS for cities and municipalities, digital official boards, STEORA solar bench enabling solar energy charging of mobile phones, iPads via cable or wireless, it can also transmit high-speed 4G LTE internet. Sound system for schools, halls and other premises with static and portable sound systems. Wide range of information radars for speed measurement, uniform time and ringing systems, camera systems, public LED lighting.