Technology - cetin.rs

Our targets

At CETIN Serbia, we are passionate about the technology that is the backbone of our existence. We’re proud to support the spread of digital technology to every corner of the country. We design, build and operate high-quality networks and provide innovative solutions with no compromise in security. Cetin Serbia is committed to provide support for the technological development of the country by driving technological advancements, despite the challenges and at times limiting conditions, pushing the company to be highly adjustable to the surrounding environment.

Enabling 5G coverage

CETIN owns and operates a portfolio of passive and active mobile access network infrastructure assets for 2G, 3G, 4G, and LTE advanced technologies and deploys infrastructure that will enable 5G technologies.

Resilient and reliable network

We aim to further improve network reliability and quality of the national critical infrastructures in the country always actively help national authorities in case of natural disaster. We will further strengthen the protection of customer data and increase the resilience of our networks to cyberattack and cyberfraud.

Progress highlights

Enable 5G coverage

CETIN’s 2750 Points of Presence enable 99% of mobile network population coverage and almost 98% 4G population coverage. Following successful 5G Spectrum auction, organized in November 2025, all Serbian mobile network operators launched 5G on 2nd December 2025. CETIN’s infrastructure enables 53% 5G population coverage. Ongoing network modernization will bring additional network improvements.

Resilient and reliable network

We have implemented security information and event management (SIEM) system along with other advanced detection and response tools, providing extended and automated security monitoring and response. These systems enable continuous, automated threat monitoring and incident response, strengthening the effectiveness of our internal Security Operations Centre (SOC). In 2024, we have placed a strong emphasis on cybersecurity and NIS2 (Network and Information Security Directive) readiness and compliance.

Impact stories

Follow our steps towards sustainability and carbon neutrality

21. 11. 2025 Impact Stories

CETIN 5Green

As Hungary’s first mobile telecommunications infrastructure provider, CETIN Hungary has a longstanding commitment to sustainable data transmission. Our sustainability strategy consists of four distinct, yet interconnected pillars. The technological pillar is the backbone of our existence, through which we design, build, and operate high-quality networks. We also offer innovative solutions in the field of security. Through the environmental pillar, we strive to minimize the impact of our business activities on the environment, going beyond legal and other requirements. Our social pillar focuses on people. In addition to our extensive well-being program and regular charitable and sponsorship activities, supporting young people is close to our hearts. The STEMpowered by CETIN free talent program aims to support young girls before they make career choices, helping them see technical and technology-related professions as real and attractive opportunities.

05. 02. 2024 Impact Stories

SD-WAN: The network strategy of the future

The SD-WAN networking strategy allows companies to replace outdated firewalls, routers, and WAN optimization appliances with a single appliance. This minimizes hardware requirements and power consumption. In addition, the entire strategy is sustainable and has a high-security profile. The project will be completed later this year.

13. 12. 2023 Impact Stories

Mobile network sharing saves energy, delivers better coverage

CETIN Hungary has multi-operator radio access network sharing agreement in Hungary. That means that the mobile network built and operated by CETIN is being used to deliver communication services to the end customers of more than one commercial operator.