en.Wedoany.com Reported - Data from the radio license register and the exempt equipment register managed by the Polish Office of Electronic Communications (UKE) show a nominal average difference of 4.5% between the number of registered mobile network transmitters and those recorded in the SI2PEM monitoring system. The number of devices in the UKE register is higher because operators typically obtain licenses or declare devices first, then install the transmitters, after which electromagnetic radiation (PEM) measurements are conducted and the data is entered into the SI2PEM system. The UKE register includes not only devices already in operation but also declarations for planned new transmitter installations, whereas SI2PEM only displays transmitters already installed on facilities, although some devices may not yet be in commercial use. However, there are also cases where certain transmitters, although declared, are ultimately not connected to the network, which may be due to special circumstances arising from changes in operators' frequency management strategies.

The term "transmitter" referred to in the text typically denotes a logical device for a specific system, such as 5G in the 3600 MHz band or LTE in the 800 MHz band, while the physical device is often an integrated multi-band, multi-system unit. The analysis is based on unique locations marked by geographic coordinates in the register. The Ministry of Digitization (Ministerstwo Cyfryzacji) and the National Institute of Telecommunications (Instytut Łączności) provided data on mobile network equipment in the SI2PEM system, a process that was previously hindered when the Ministry of Digitization refused to provide the data, citing "excessive inconvenience." The Provincial Administrative Court (Wojewódzki Sąd Administracyjny) overturned the Ministry's refusal decision in December 2025 and ordered it to reconsider. The Ministry subsequently reflected on the matter, generated the SI2PEM data, and did not appeal the court's decision, thereby making the market data publicly available.

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