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 and without errors. In addition to permanent quality control during manufacturing, independent testing laboratories confirm the very good quality of the individual modules with various certificates. The connection boxes are delivered in retail-friendly, separable cardboard packaging, with 10 pieces each. Variants, mounting type: surface-mounted, flush-mounted, flush-mounted with cover, flush-mounted without cover; variants, number of ports: 1, 2, 3.