MacSema’s Contact Memory Button (CMB) a battery-free, read/write electronic data storage tag designed for survival in extreme environments including military, aerospace, utility, transportation and industrial applications. CMBs store up to 4GB of any type of data to enhance configuration, inspection and maintenance management for the life of the asset the CMB is attached to. Data is retrieved and updated by contact using a ButtonLink probe. CMB technology eliminates time and inconvenience associated with accessing a central database. Information is viewable and updateable on site. Survives hostile conditions such as temperature extremes, radiation, ESD, EMI, EMP, shock and vibration. Each CMB has a unique serial number. Exceeds Mil-Std – 810F.