A mobile communications device is described including a wireless transceiver, a radio resource control (RRC) circuit connected to the transceiver, the RRC circuit including at least one timer configured to measure at least one mode trigger, a mode selector responsive to said timer, the mode selector configured to transition among a plurality of support modes, each of the support modes corresponding to at least one task, wherein each of the tasks is associated with a task frequency, a context detection circuit configured to detect at least one context information, a task frequency adaptation circuit configured to adjust at least one of said task frequency to an adjusted task frequency, responsive to the at least one context information.