Võrguseade Teltonika 230-00012, Magnetic Key for iButton,

One of the implemented features for fleet management devices is 1-Wire data protocol, which enables connection of iButton. The iButton device is perfect for any application where AVL data needs to travel along with a person or object identification.iButton is a solution for fleet management tracker in following cases:Driver authorization – gives ability to use vehicle only for specific iButton owners and identify which driver is on the road.Immobilizer – without iButton authorization you can not run engine starter and and use vehicle.AutoGeofencing – gives ability to know when car leaves customized areas without iButton authorization.