3M™ Electronic Marking System (EMS) Caution Tape 7900 Series is an intuitive and virtually maintenance-free solution for marking and locating the path of buried assets in environments with complex terrain and congested underground systems — while helping to eliminate the problems and costs associated with tracer wire and test stations. Thanks to the embedded 3M™ EMS Point Marker's frequency dedicated for each type of utility, this tape helps to quickly and easily locate underground utility networks — with no need for access points. Its design also helps ensure accurate location when damaged and does not require metallic continuity for locating, as a locatable signal is provided by 3M™ EMS Point Markers embedded in the tape every eight feet that are activated using a 3M™ Dynatel™ Locators 7000X Series. Choose 3M™ Electronic Marking System (EMS) Caution Tape 7900 Series for a fast, easy, and reliable solution that provides accurate and consistent results, even in the most demanding conditions.