| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a base station emergency power unit which can immediately notify a surrounding area about communication information between a base station and a mobile station or the other base station in an emergency to quickly cope with an abnormal state in a base station of business-use radio. <P>SOLUTION: In a portable base station emergency power unit, an amplifying part and a battery for driving an external speaker are provided in the base station emergency power unit, and furthermore, a DC input cable is always connected to the base station emergency power unit. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
