M100-A is a powerful and user friendly location tracking device. It has built-in the emap database which could provide not only the longitude and latitude information but also the road/street name and POI. Combining with GSM/GPRS and high performance GPS, the tracker can be used to track and report device's position and status to mobile phone through SMS/MMS/GPRS/Voice. It also has five quick dial keys for voice communication, and one SOS button for emergency alarm. M100-A is your best choice for remote positioning and security.