6 Older Technology
In this chapter…
You might think with all the current excitement about wireless communications that the technology had been around for only a short time. Nothing could be further from the truth, which is the topic of this chapter: wireless technologies which have been around awhile. This chapter picks only four of these “older” technologies for discussion: broadcasting, radar, satellite communication, and point-to-point microwave. But even among these four there is a lot of variation in technology and system design. These three were chosen as they represent a good cross section of the various applications of RF technology.
AM radio, which has been around ...
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