The Starter Pack Plus works with both a Bluetooth and an Internet connection. The Starter Package Plus includes the modules E-Track&Trace (GPS tracker), E-Volt (battery voltage) and E-Level (connection via Bluetooth). E-Track&Trace is connected via the Internet and comes with a permanently installed eSim card. A subscription is required to use it. You simply complete the Plus subscription in the E-Trailer app after connecting the Starter Pack Plus to the battery of your motorhome or caravan. Cost: 99,95€ / year.