A multi-mode mobile wireless communications device architecture (200)
including an application layer (210), a services layer (220) interfacing
the applications layer, a multi-mode layer (230) interfacing the service
layer, and a hardware layer (240) interfacing the multi-mode layer. The
multi-mode layer includes first and second interoperable radio access
technologies, for example W-CDMA UMTS and GSM/GPRS technologies.