electronic tagging 
noun [mass noun]
The attaching of electronic markers to people or goods for monitoring purposes, e.g. to track offenders under house arrest or to deter shoplifters: the electronic tagging of remand prisoners has seen a sharp rise [as modifier]: electronic tagging equipment...
- The orders would impose one or more of a range of restraints on the suspect including house arrest, electronic tagging, a ban on the use of telephones and e-mail and restrictions on who they associate with.
- He wasted no time in adding his distinctive scrawl to 10 orders condemning men whom the government insist represent a clear threat to national security to stringent new controls including house arrest and electronic tagging.
- These can range from house arrest to electronic tagging, prohibitions from meeting certain individuals, restrictions on travel and bans on using telephones or the Internet.