Supplier of telecommunication equipment for point-to-point backbone connections and bot-multipoint connections, enabling wireless high-capacity data transmission in the licensed and unlicensed 3 GHz, 5 GHz and 6 GHz bands over long distances with advanced QoS enabling transmission even for video security systems. We also offer optical links with a transmission capacity of up to 10 Gbps Full duplex, enabling reliable and highly secure data transmission even in very noisy environments. Our ECSYSTEM device is intended for mobile operators, Internet providers, service organizations, CCTV, security systems of state and private companies.