Mobile and modular communication and data processing device with computer functionality

A device, comprising:

• a housing;
• a data processing unit disposed within the housing and including a control unit and a storage unit that are configured to run a computer program product;
• at least one wireless communication interface disposed within the housing and in communication connection with the data processing unit to establish a wireless communication connection between the data processing unit and at least one external peripheral component;
• at least one wired communication interface disposed within the housing and in communication connection with the data processing unit to establish a wired communication connection between the data processing unit and at least one external peripheral component or an external network;
• a supply connection disposed within the housing and configured for connection with an external electrical power supply to supply at least the data processing unit with external electrical energy;
• and
• a rechargeable battery store disposed within the housing, the rechargeable battery store for storing electrical energy at least for the data processing unit.