塞尔维亚启用5G网络，波黑成西巴尔干唯一未覆盖国家

Core Viewpoint - Serbia has launched 5G network services as of December 2, 2023, joining its neighboring countries in the region [1] Group 1: 5G Network Launch - Three telecom operators in Serbia have begun offering 5G services to users [1] - With this launch, Serbia becomes part of a majority of neighboring countries that have already implemented 5G networks [1] Group 2: Regional Context - Slovenia introduced 5G services in 2020, followed by Croatia in 2021, Montenegro and North Macedonia in 2022, and Albania and Kosovo in 2024 [1] - Bosnia and Herzegovina remains the only country in the Western Balkans without 5G network services, with plans to launch its own by 2026 [1]