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要使得北京数字集群网2008年奥运会举办时不致落后,就必须考虑系统技术体制标准能否继续升级。由于欧洲ETSI认为TETRA版本1标准适合PMR/PAMR(专用/共用)领域,标准成熟,有多厂家支持,商用获得成功,召开了三届TETRA世界大会,
To make Beijing Digital Hierarchical Network 2008 Olympic Games held without backward, we must consider whether the system technical system standards can continue to upgrade. As the European ETSI think TETRA version 1 standard for PMR / PAMR (private / public) field, the standard is mature, there are many manufacturers support, commercial success, held three TETRA World Congress,