by connection of exchangeable housing parts

Full Title

Substation equipment, e.g. for use by subscribers > Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection > User interfaces specially adapted for cordless or mobile telephones > with means for adapting the functionality of the device according to specific conditions > by connection of exchangeable housing parts

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TELEPHONIC COMMUNICATION