通信技术是电子领域最复杂，变化最快的应用领域之一。现在，它通过大众通信网络以及基于固定和无线网络的人对人通信，渗透到每个人的日常生活中。一个很好的例子就是互联网，最近几年互联网经历了爆炸性的增长。现在，通信还涉及广泛的信息，不仅是数据，还包括语音，多媒体和视频。
Communications technology is one of the most sophisticated and rapidly changing application areas of electronics. It now pervades the daily lives of every person, through mass communication networks, as well as person-to-person communications based on fixed and wireless networks. A good example is the Internet which has undergone explosive growth in the last few years. Communications also now involves a wide range of information, not just data, but also voice, multi-media and video.