US Patent:
20030031235, Feb 13, 2003
Inventors:
Young Kim - San Diego CA, US
Seung Kim - San Diego CA, US
Myung Ahn - Poway CA, US
Yeon Jung - San Diego CA, US
Kyung-Ha Jung - San Diego CA, US
International Classification:
H04K001/00
Abstract:
A mobile telecommunication apparatus, such as a CDMA modem for use with a host computer comprises a microprocessor, an interface device communicating with the microprocessor to interface with the host computer, a memory connected to the microprocessor having a ROM area and a RAM area, the ROM area storing a modem protocol code for operation of the modem and a testing code for testing the modem, an antenna, a RF/IF device connected to the antenna and communicating with the microprocessor, and a code selection switch connected to the microprocessor to select one of a normal mode and a service mode. Upon selection of the normal mode, the modem protocol code is executed, and upon selection of the service mode, the testing code is executed.