“PZT – INWESTEL” S.A. has been operating in the telecommunications market since 1992 as an authorized partner of Alcatel-Lucent Polska, currently NSN Nokia, providing services in the design, installation, testing, and integration of SDH, DWDM, ROADM, IP DSLAM, and IP ROUTER devices.

• We also provide these services to other companies in the telecommunications industry, in addition to:
• We install radio communication and wireless data transmission equipment (including SWAPs).
• We install railway traffic control and signaling devices.

We design network and building installations using fiber optic technology.
“PZT – INWESTEL” S.A. holds the ISO 9001:2015 quality certificate in the following areas: design of telecommunications and ICT infrastructure and installations. Installation and maintenance of telecommunications and ICT systems.