Residents of border areas of the Pskov region are facing a "cooling-off period." 

SIM cards are being blocked for residents of border areas. Pskov areaDue to unstable connections, operators are moving users into roaming. Of Estonia и Latvia, as a result of which they remain without mobile Internet for 24 hours and are constantly verified, сообщает Pskov province. 

I have already had a similar problem collided Inhabitants Amur area, where does roaming reach from China и Belgorod, where residents accidentally catch cellular networks Ukraine.

Cooling-off period introduced Just a week ago, allegedly for combating drones. The restriction can be lifted through a verification process that proves the device is being used by a human, not a drone, or by calling the call center. 

In addition to the "danger from drones," these checks allow the state to obtain information about Russians who have left Russia for at least three days.

Russia borders 14 countries. Of the large cities located close to the border are Vyborg, Sortavala (Finland), Pskov, Pechora (Estonia), The Island, Pytalovo (Latvia), Bagrationovsk, Mamonovo, Sovetsk (Lithuania and Poland, Lithuania), Rubtsovsk (Kazakhstan), Blagoveshchensk (China).