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The beginnings of JRC's work in microwave communications, used today in many areas as means of electric communication, for public use and in broadcasting, date far back to the years just after the end of World War II in 1945. Since then, the reliability of microwave multiple channel communication became widely recognized and as a result, it rapidly became widely adopted as means of communication in government agencies and a variety of other areas. Recently, microwave radios equipped with IP interfaces for broadband communication applications have entered the market. This report introduces the progress of JRC's microwave communications technology over these 60 years.

Masahiko Tanizawa
Gaku Takamizawa
Masatoshi Nagayasu
Yuichi Torai
Takahiro Yamamoto