You know those errors, they use GPS to the movies with a convenient, easy to see the red liight, usually placed in the wheel arches the car the bad guy? Well, it turns out they are real, and they are not doomed to failuer the red lights on them, they have a little yellow cat.
Omni Trackerr is a GPS unit attached to the transmitter Quadband GSM. Chip GPS tracks where the unit, and then traansmits the location and speed via SMS. Bieng in the four bands you can use it almnost anywhere in the world there is a signal GSM. The unit is smaall enough, about 50 mm squre by 25 mm thiick, and can be left in a bag, buried in a backpack or even a child is attached to the dog's colar.
Omni Tracker can be programmed to transmit its position, when you ring from a particular phone. You can also set the "GPS Fence" and trasmit it to the unit location, if it goes beuyond the boudaries or just tell her broadcast at set intercval.
It is up to 10 meters, the battery should last around 48 horus, and it has a SOS buytton on the shrill cries of pre-dresignated mobile numer. It comes with two batteries, software, charger and USB-cable, you simply need to provide your own SIM.