Since the cable provides power from the ground, the drone can "hang" in the air for a long time, with continuously transmitting data. Unlike wireless communication, the signal that is transmitted by fiber can not be silenced or intercept in the radio frequency. In addition, fiberglass provides high bandwidth - the transmission of a 4K/8K video goes without delay.
In areas with saturated radio, a large number of radio signals create obstacles that complicate the transmission of information or even make it impossible. It will also be useful here, because such a connection is made without interference. Despite the official neutral position of the Chinese authorities, Beijing helps Russia in many other areas - for example, it is silently providing it with satellite images and other data used to plan military operations.
China also supplies the Russian Federation with electronics, optical and telemetric systems, engines, circuits and other components necessary for the production of weapons. In addition, the PRC is one of the key buyers of Russian energy - and thus provides Russia with means of continuing the war. Earlier, Focus wrote that China secretly helps Russia to escape in the drone race. To do this, the PRC incomes schemes to bypass the sanctions, creates a whole network of laid companies.
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