conducts work on systems, networks and devices in the following fields: mobile land radio communications, radio broadcasting, satellite radio communications.

works on communication power engineering, including concepts of power supply systems and power devices for telecommunications sector.

deals with preparation and implementation of scientific and research works on development of information systems referring to: distributed data communications systems, theory of design, control and analysis of data communications networks and decision support systems, intelligent systems and knowledge management.

conducts scientific, research and development works on maritime communications and radio communications, telecommunication services, traffic engineering in telecommunication networks, design and implementation of access networks.

conducts scientific & research work, performs analyses, evaluations, network quality assessments, prepares technical specifications, designs and software related to: microprocessor and microcomputer controlled devices, preprocessing systems, monitoring, traffic engineering for telecommunications services as well as data communications, corporate networks and network technologies. It performs implementation, marketing, installation, service and training activities.

conducts research on shaping telecommunications and postal policy and regulations in Poland in the context of international experiences, with particular focus on policies of the European Union; examines economic and legal conditions for provision of telecommunication and postal services; analyzes development of telecommunications and postal markets as well as tariffs and costs of telecommunications and postal services.

conducts scientific, research and implementation works pertaining to issues of a advanced optical communications. In particular it performs research on ultra-fast transmission in terabyte optical transparent networks, wavelength multiplexing (DWDM and CWDM) in optical access networks, non-linear optical effects, application of innovative photonic crystal technologies, micro-structured optical fibers and quantum communications, methods for measurement and compensation of fiber polarization mode dispersion (PMD), reliability of optical components and networks, implementation of optical IP networks, assurance of Quality of Service (QoS) and convergence of broadband wireless and optical networks.

conducts scientific, research and development work in the scope of: electromagnetic compatibility (EMC) of systems and devices, radio and television networks, protection against radio interference; radio communication, radio broadcasting and television antennae, radio feeder lines; measurements of transmit and receive antennae; phenomena and mechanisms resulting in exposure to electromagnetic radiation, evaluation and qualification of threat for the environment. In addition it conducts works and has authorization to approve designs of antenna supporting structures. This department includes also Laboratory for Testing of Electromagnetic Interference and Resistance to Interference and Laboratory of EMC Measurement Devices.