3M Dynatel Locators 7550X/7573X Series include locating cables/pipes, fault finding technology to locate 3M Electronic Marking System (EMS) Markers, read/write to 3M ID Markers and Path marking for the field professional. It features a lightweight design, large display with easy-to use interface, enhanced connectivity, internal GPS module, and includes Li-Ion battery with built-in charger.3M Dynatel 7550X/7573X Locator is capable of locating cable, pipe and all models of passive markers that are properly installed. It detects industry standard electronic marker, EMS Tape and Rope path frequencies. This locator has simplified integrated interfaces with precision locating capabilities, six active frequencies for direct connect and trace view mapping display mode. A GPS communication system is incorporated into this Dynatel locator to provide GIS mapping. The Dynatel locator operates at a temperature of 4 to 122 °F ( 20 to 50 °C). It includes a 3W or 12W transmitter that has four induction frequencies with maximum allowed output power and all frequency mode in direct connect (four simultaneously).