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Recently, along with the market demand for high speed data communication, demand is increasing for public use communication networks as well to be able to handle large amounts of data at high speed. An optical fiber network is being constructed as the main lines of the communications network, and microwave radio devices are being set up to be used as back-up for important communications lines in times of disaster. Further, flexible measures need to be taken to meet users' varied demands for public use communications networks. To satisfy such demands of the market, JRC has developed this JUK-ZERO series 16QAM/128QAM multiplex radio communication device.

Kohji Mohri
Shinya Murata
Yasuhide Tanaka
Yasuyuki Katoh