圏外 (kengai) Japanese meaning: outside an area | KotomoraThis place is out of mobile phone range.
With his grades, he's out of contention for passing.
Usage patterns
〈物〉が圏外になるfor a device to go out of (signal) range
My phone lost signal once I went into the mountains.
圏外に出るto move out of range
After entering the tunnel, I ended up out of signal range.
〈数〉位圏外outside the top rankings; out of contention
His team fell out of contention for the championship this season.