Modular connection box for building a passive network infrastructure with the highest quality standards. The connection box is suitable for connecting phones as well as 10 Gbit networks and power supply with PoE of up to 90 W. The very robust, nickel-plated zinc die-cast module, consisting of only two parts, can be easily and quickly connected by the installer without special tools, ensuring error-free installation. In addition to continuous quality control during manufacturing, independent testing laboratories confirm the very high quality of the individual modules with various certificates. The connection boxes are delivered in retail-friendly, separable cardboard packaging, with 10 pieces each. Variants, installation type: surface-mounted, flush-mounted, flush-mounted compact, flush-mounted zero; variants, number of ports: 1, 2, 3.