User Guide for the DECT Desk Phone4Connecting the Power AdapterNoteAttaching the DD10KInstalling the Base StationYou have two options for power and network connection of the base station. Consult your systemadministrator for advice.Note Please pay attention to the radio coverage of the base station. It is up to 300m in unobstructedoutdoor areas and up to 50m inside buildings.Do not place the base station in a damp room, and keep it away from the water.We recommend that you use the Yealink original power adapter, since the third-party poweradapter may cause the damage to the phone.