CETIN BULGARIA NETWORK
Today, Yettel Bulgaria uses our network solely for all of its mobile technology. Our 4G and 5G equipped network covers more than 97 percent of Bulgarian highways, first and second class roads, with a maximum download speed of up to 1 Gbps (in regions where 5G coverage is available).
In order to provide exceptional service to our customers, we continue to invest in network enhancements by updating and creating additional locations.
Supported Technologies
5G
Since June 10, 2021, a 5G network has been available to all Yettel customers in Bulgaria. Since the launch, we have established coverage in hundreds of locations and developed and introduced a completely new service called Fixed Wireless Internet Access via a mobile network. Additionally, Umlaut gave the network its fifth consecutive "Best in Test" award.In 2019, along with our exclusive network partner Yettel, we introduced of a variety of 5G trials including demonstrations and tests of remote medical checkups and live concert streaming. Participants included experts from the CRC, the Ministry of Health, the Ministry of Transport, IT and Communications, scientists in the fields of technology and health, and others.
Going forward, CETIN Bulgaria will keep constructing, running, expanding, and developing the 5G network, enabling us to broaden our service offerings and offer ground-breaking solutions to our customers and their end users. The 5G network can reach speeds that are 10 times faster than 4G and has a 1ms latency. One of the fastest, most dependable, and most secure networks in use today is 5G.
4G & 4.5G
LTE (Long Term Evolution) technology, which was launched in December 2015 by Yettel Bulgaria (previously Telenor) and is now operated by CETIN, is the fourth generation of mobile networks (4G) and offers customers a unique experience when using services that require high data transfer speeds, as well as faster access to applications such as streaming high-definition video content (YouTube, streaming, mobile TV, etc.), music streaming, uploading and downloading.
The LTE-Advanced supporting network combines a variety of network technologies and functionalities to provide a better user experience. Through the aggregation of multiple LTE carriers, the 4.5G Network provides improved data transfer speeds, allowing consumers with compatible handsets to take advantage of more network resources.
VoLTE
Yettel Bulgaria (previously Telenor) introduced VoLTE, a voice call technology, on its 4G/LTE network in 2018. With VoLTE, you may talk on 4G while browsing on the 4G network, and you'll get better HD voice quality, faster connectivity, and longer battery life.
ViLTE
ViLTE is an expansion of VoLTE technology that enables video calling over a 4G network on supported devices. It was introduced by Yettel Bulgaria (previously Telenor) in 2019. It supports high-definition video calls and offers full SIM-based authentication security without the need for additional registration or software.
Security
Data and privacy are secure and protected on the CETIN Bulgaria network, which is stable and trustworthy. Our network ensures your safety by utilizing cutting-edge technology and carefully planned work methods that adhere to the highest industry standards.