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1 前言自 DECT 和 WDCT 标准诞生以来,全球2.4 GHz 数字无绳技术经过多年的持续发展,从上游的基带芯片、射频(RF)芯片、实时操作系统到下游的应用层软件等各项技术均已成熟,形成了一条完整的产业链。相对于模拟无绳电话,2.4 GHz 数字无绳电话具有高清晰通话音质、安全保密抗干扰、更大通话范围、功耗低电力持久、可扩展内部通
1 Introduction Since the advent of DECT and WDCT standards, the global 2.4 GHz digital cordless technology has matured over the years with technologies ranging from upstream baseband chips, radio frequency (RF) chips, real-time operating systems to downstream application layer software , Formed a complete industrial chain. 2.4 GHz digital cordless phones with high-definition call quality, security and confidentiality immunity to analog cordless phones, greater talk range, lower power consumption Durable, scalable internal connectivity