近日,国内首台T ET R A数字集群对讲机PT-790在好易通面世,从此筑起了中国无线通信领域的“安全门”。数字集群主要为国家强力部门、重要公共机构提供通信保障。此前,由于我国一直不具备T ET R A的知识产权,核心技术长期掌握在国外厂商手里。这些国际巨头不仅吃掉了巨大的市场 Recently, PT-790, the first T ET R A digital trunked walkie talkie in China, was launched at HYT and has since established a “security gate” in the field of wireless communications in China. The digital cluster mainly provides communications support for the state’s powerful departments and key public institutions. Earlier, as China has not had the intellectual property of T ET R A, the core technology has long been in the hands of foreign manufacturers. These international giants not only eaten a huge market