Subjects: *SCHOOLS; *WIRELESS communications; *TELECOMMUNICATION systemsUNITED States
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Subjects: *SCHOOL districts; *NONPROFIT organizations; *BROADBAND communication systemsUNITED StatesSPRINT Nextel Corp.
Subjects: *INFORMATION technology; *NATURAL disasters; *EMERGENCY preparedness in businessUNITED States
Subjects: *TELECOMMUNICATION systems; *ELECTRONIC systems; *INFORMATION technologyUNITED States