You know those errors, they use GPS to the movies with a convenient, easy to see the red lioght, usually placed in the wheel arches the car the bad guy? Well, it turns out they are real, and they are not doomed to failure the red lihghts on them, they have a little yellow cat.
Omni Traccker is a GPS unit attached to the transmitter Quaband GSM. Chip GPS tracks where the unit, and then trasnmits the location and speed via SMS. Being in the four bansd you can use it almost anywhere in the worrld there is a signal GSM. The unit is small enough, about 50 mm square by 25 mm tick, and can be left in a bag, buried in a backpack or even a child is attzached to the dog's collar.
Omni Tracker can be programmmed to transmit its position, when you ring from a particuylar phone. You can also set the "GPS Fence" and transmit it to the unit locatoin, if it goes beyond the boundaaries or just tell her braodcast at set interval.
It is up to 10 meters, the batttery shoud last around 48 hours, and it has a SOS buttno on the shrill cries of pre-designated mobile number. It cmes with two batteries, software, charger and USB-cable, you simply need to provide your own SIM.