In 2017, the private network and public network were once two separate tracks. However, this year marked a turning point in the evolution of the private network, particularly in terms of broadband and narrowband convergence. The concept of "modulation revolution" was central to the industry discussions, as it highlighted the shift from analog to digital communication. While analog walkie-talkies didn't fully disappear from the market, their role had significantly diminished, especially in sectors where reliable, secure, and high-quality communication was essential.
The transition began in 2009 when the Ministry of Industry and Information Technology issued Notice No. 666, which halted the approval of analog walkie-talkies starting in 2011. A five-year transition period was given, later extended until the end of 2017. This timeline set the stage for the industry to prepare for the next phase of development, focusing on integration rather than separation.
By 2017, the key theme in the private network sector was the convergence of broadband and narrowband technologies. This wasn’t just a technical shift but also a strategic one, as companies aimed to offer more comprehensive services that could meet both voice and data demands. The idea of full integration—combining public and private networks—was gaining traction, driven by the need for more flexible and scalable solutions.
Major manufacturers like Hainengda, Motorola, ZTE, and others were actively exploring ways to merge these technologies. The PDT (Public Digital Trunking) standard became a focal point, especially in the public security sector, where the demand for high-definition video and real-time data transmission was growing rapidly. The integration of LTE with existing narrowband systems was seen as a promising approach, allowing for seamless connectivity across different environments.
From a market perspective, the private network remained relatively small compared to the public network, but its potential was undeniable. As society evolved, so did the expectations of private network users, who now sought not only stable voice communication but also access to multimedia applications. This shift created new opportunities and challenges for vendors, pushing them to innovate and adapt.
At the core of this transformation was the convergence of technologies. While there were no major technical barriers at the core network level, the terminal side still faced challenges, such as the lack of multi-mode chips that could support both public and private network standards. Despite this, several manufacturers had already launched commercial-grade devices that supported integrated operations.
The competitive landscape was also changing. Larger players like Hainengda and ZTE were leveraging their technological expertise to expand into broader markets, while smaller manufacturers either needed to invest heavily in R&D or collaborate with industry leaders to stay relevant. This trend signaled a move toward consolidation, with the industry gradually becoming more concentrated.
Looking ahead, the future of the private network would depend on continued innovation, strong partnerships, and the ability to meet evolving user needs. The year 2017 was not just a milestone—it was a catalyst for change, setting the stage for a more connected and integrated communication ecosystem.
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