Technical Implementation Guide for Unified Channel Numbering of Cable TV Simulcast Channels (2025 Edition)
To address the confusion and operational complexities faced by users due to the broadcasting of ultra-high-definition channels in 2025 by Beijing, Guangdong, and eight other provinces, where the same channel is available in different technical formats (ultra-high-definition, high-definition, standard-definition) occupying multiple channel numbers, the National Radio and Television Administration released the "Technical Implementation Guide for Unified Channel Numbering of Cable Television (2025 Edition)" in November 2025.


