Some of the cellphone network can operate with no wired power or network. Towers can have p2p microwave links and battery backups. That doesn't really answer yo

Some of the cellphone network can operate with no wired power or network. Towers can have p2p microwave links and battery backups. That doesn't really answer your question about how/if/how-long it worked this week. http://ups-battery-backup.com/cell-phone-ups.php http://ups-battery-backup.com/cell-phone-ups.php https://enterprise.spectrum.com/solutions/carrier-services/cell-tower-backhaul.html https://enterprise.spectrum.com/solutions/carrier-services/c...