| 摘要 |
A wireless local loop system having an integrated one-piece construction is provided. The system comprises a speaker, a microphone, and a RF transmission/reception mechanism for receiving a RF signal from an antenna, providing the signal after converting it to a digital baseband signal to a MSM (Mobile System Modem), and vise versa. The system further comprises a CODEC for coding and decoding analog and digital voice signals communicated between the microphone and the MSM, a data interface mechanism for connecting the WLL system to an external terminal, a memory for storing data related to user services and a main program for controlling the MSM, a power supplying mechanism having a charge battery for supplying power to the respective integrated system components.
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