Unmanned station battery exist great temptation to thieves, according to the data of communications company show that base station battery stolen rate reach 40% each year, and location of some base station is relatively remote are patronized by the thieves each month, which had to place arrangements for officers on duty. And operator purchase a set of battery need cost 40,000 to 60,000 range ,one set is 24, and the thieves got the black market at a low price to sell quickly! Function features: ★ communication technology stability GSM is platform that is the most suitable for mobile data communication, its communication bandwidth, reliability, safety is very high. ★ advanced position technology Use of GPS positioning information technology, in positioning accuracy and localization rate has outstanding performance ; ★ installed hidden and easy to use in the battery body ,directly use 2V of the battery to supply power, without external power supply ; ★ various alarm ways Battery vibration, GPS coordinate movement, changes of alarm of the GSM exchange bureau and base station code ; ★ systems networking warning form a complete set of alarm receiving centre , real - time GPS map display alarm coordinate and routes ; ★ system stable, reliable In the cellar, garage or underground when do not accept the GPS coordinate , timely recording and reporting the last time GPS coordinate to facilitate users to search for. In the case of without external charging a host can continue to work for a month ; Technical parameters: System open initialization time : less than 40 seconds complete machine power supply parameters : Working voltage's Range : 1.5V----3V whole machine standby current : 2V/0.5A working Peak current : 2V/1.2A working temperature range : -20degree ----85degree (Note : As power is used for step - up, and to consider the system can work when battery voltage is in1.5V , so the current consumption is large) GPS partial parameter : Working voltage's Range : 3.2V----5V working Peak current : less than 100 MA Receiving sensitivity : more than -144 DBM Cold Start time (outdoor) : less than 35 seconds. Data response time ≤ 10 seconds TX emission output power : 1W Working Band triple-band : EGSM：TX/890 - 915 MHZ，RX/925 - 960 MHZ DCS： TX/1710-1785 MHZ，RX/1805-1880 MHZ PCS： TX/1850-1910 MHZ，RX/1930-1990 MHZ