After having satellites, communication can be guaranteed, after all, satellite phone manufacturing is a small CASE for the big star Ringo.

With a satellite phone, contact is much simpler, at least much more convenient than a walkie-talkie, which has a large distance limit.

According to the satellite coverage made by the Great Star Ringo, at least there are absolutely no problems with satellite telephone communication within the territory of the empire.

In fact, when this satellite was originally built, it was designed to be used in the comprehensive system

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