circuit arrangement in a GSM mobile phone of the pan-european digital mobile telephone system

摘要

The invention relates to a GSM mobile phone with a basic unit (10) provided with a memory (12) necessary for the processing of speech signals (S) only, whereby the processing of the possible datasignals (D) is carried out in an auxiliary unit (30) connected to the interface (20), the auxiliary unit comprising the memory (32) required for the processing of the data signals (D).