Disclosed is a mobile phone terminal with a battery pack containing a retraceable battery as power supply, and transmitting and receiving radio-signals to and from a mobile phone system base transceiver station. The mobile phone terminal includes a data communication terminal communicating data with the battery pack, an intermittent receiving processor periodically carrying out intermittent receiving processing via the base transceiver station when the mobile phone terminal is in a standby operation, and a battery status determining unit transmitting, while the intermittent receiving processor is carrying out intermittent receiving processing, an activating signal to the battery pack via the data communication terminal and reading battery status data from the activated battery pack.

 
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> WIRELESS READER TAGS (WRTs) WITH SENSOR COMPONENTS IN ASSET MONITORING AND TRACKING SYSTEMS

> WIRELESS READER TAGS (WRTs) WITH SENSOR COMPONENTS IN ASSET MONITORING AND TRACKING SYSTEMS

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