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GSM network :(four-band)2 G GSM 850/900/1800/1900MHz
Standard GPRS：12 category TCP/IP
GPS positioning accuracy: within 10 meters
Battery Power :400 mAh Built-in
Waiting time :4 days
Working hours :2 days (10 minutes after placement)
GSM/GPS antenna: built-in design
Work ptemerature：-20°C~°C 70
Working humidity :20~80 RH
Cost positioning.
(Open Sky): Cold 38 seconds hot start 29 seconds hot 5 seconds
Hotel size :43*26*13mm
RFPA：RDA6625E
Mainframe weight :22g
Recording and monitor: Yes
Text Coordination: Yes
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