?  Build-in GPS personal locator.
?  GSM /SMS communication or GPRS TCP/UDP connection .
?  Works worldwide!
      Support 3-frequency GSM 900/1800/1900 MHZ.(Optional)
?  High sensitivity,New technology and latest GPS SiRF-Star III chipset!
       Excellent for fixing the position even at a weak signal status.
       Work well even in areas with limited sky view like urban canyons.
?  Compact size, and smaller than one name card. Easy to hide
?  Very Low power consumption
?  Fast Signal Acquisition
?  Support single location and continuous tracking
?  Support  location triggered  by tracker
?  Support  location triggered  by authorized cell phone
?  Support  alarm and remote monitor
?  Support quick dialing buttons for 2 preset phone numbers
?  Support  check location by SMS  and Internet
?  Monitors can track the person without interfering him,
       LIVE! Real-Time tracking!
?  Locate the locator holder by the mobile phone via SMS
                                                  (short messaging system).
?  SOS button send out exact location for immediate rescue/action.
?  Geo-fencing to restrict movement to a defined radius.
?  No monthly service charges to be paid to the call center