Antennas and satellite dishes placed on roofs of buildings at the Russian embassy in Helsinki could be tools of espionage, according to the Finnish News Agency STT. According to intelligence experts interviewed by Vsquare, the equipment visible on rooftops is used both to protect the communications of the embassies' own personnel and to monitor local radio and mobile phone communications. According to the former intelligence officers interviewed by Vsquare, sheds on the embassy campuses are also likely to contain signal intelligence equipment that can be used to monitor, radio and cellphone communications