TELE FOCUS d.o.o. is a mobile network operator based in Croatia, Europe. Identifying as MCC 219 and MNC 12, it occupies a specific place within Croatia's telecommunications ecosystem. While perhaps not as widely known as the major players like Hrvatski Telekom or A1 Hrvatska, TELE FOCUS d.o.o. plays a role in connecting individuals and businesses in the country. The network operates under the umbrella of Croatian regulations governing mobile communications, ensuring adherence to European standards. Digging into TELE FOCUS d.o.o.'s specific service offerings, geographical coverage within Croatia, and the customer base it serves provides a richer understanding of its position in the competitive Croatian mobile market. Understanding TELE FOCUS d.o.o.'s significance requires considering the broader context of mobile network operations globally. The MCC 219 designates Croatia as the country of operation, and the MNC 12 uniquely identifies TELE FOCUS d.o.o. within that nation. These codes are fundamental for roaming agreements and device configurations, allowing seamless connectivity for users traveling within and outside Croatia. Investigating the network's technology (e.g., 4G, 5G), subscriber numbers, and partnerships would further elucidate its operational scale and impact on the Croatian communications landscape.