traditionally characterised by being private (individually authorised) access, professional sector specific group communication, tailor-made design, using predominantly portable devices allowing the licensed users to stay in full control over their tasks at hand in order to optimise their operations

traditionally characterised by being private (individually authorised) access, professional sector specific group communication, tailor-made design, using predominantly portable devices allowing the licensed users to stay in full control over their tasks at hand in order to optimise their operations