It doesn't matter if you are staying at a hotel or just going to a bar, you can always use the wireless Internet service.
To connect to the Wi-Fi network on the territory of the hotel, you need to go through the authorization procedure in accordance with the Resolutions of the Government of the Russian Federation No. 758 dated 07/31/2014 and No. 801 dated 08/12/2014. For authorization, a cell phone with a valid SIM card and a positive account balance is required, and international roaming is also required for foreign citizens. Detailed information about the authorization procedure can be found in the Guest Book of your room.