[6-Person Mesh Group & 400M-Diameter Distance] EJEAS F6 Referee Communication system applies the most advanced MESH technology, in effective range, F6 intercom for referee will set up mesh groups freely, and can also reconnect automatically once out of the effective range. The intercom distance is 400m-800m between 2 devices, and maximum distance reaches 2km, covers a 0.4-0.8 square kilometers court. [Strong Penetration & Information Encryption] F6 professional referee intercom for soccer match has a stable connection, will not be interacted and disconnect when moving or running fast. Information transfer is encrypted between other F6 intercom devices around, except referees join the same mesh group together at the same time.
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