"These devices are also known as ‘mosquito devices’. `Together’s 2016 State of Children’s Rights report found that only two local authorities in Scotland had records of mosquito devices being used in their areas. However, a survey of Members of Scottish Youth Parliament (MSYPs) suggested that devices were being used in areas where local authorities believed there were no devices installed. The Scottish Youth Parliament, among other organisations, have continued to campaign against the use of mosquito devices..."
"Although a local authority ban cannot stop the devices being used by independent businesses, it does mean that they will no longer be installed on council buildings such as schools or leisure centres."
http://www.togetherscotland.org.uk/pdfs/2017_Online_V11.pdf