... 900, 1800, 1900 Mhz (4 frequency channels)- Sending SMS or calling the tracker can trigger sending back longitude & latitude of ... and display the location of object on the map or satellite map- Can enable object move alarm used as car ... outside workers, employees, traveler, explorer, outsiders, overlanders, moving equipment or objects, criminal etc. Main Dimension: 68mm*48mm*17mmMain weight: 60g ...