Additional Details ------------------------------ Product description: Form Factor: Tracker: OBD-II Technology: 3G UMTS / HSPA Frequency: 800/850/900/1900/2100 MHz Carrier: Multiple Carriers Features: OBD2 w/ Battery COMPETITIVE PRICE, COMPETITIVE TECHNOLOGY, COMPETITIVE EDGE The LMU-3030 full-featured tracking unit from CalAmp features small size, superior GPS performance, OBD-II interface, backup battery, and a 3-axis accelerometer. These features enable the LMU-3030 to access vehicle diagnostic interface data, track vehicle speed and location, plus detect hard braking, cornering, acceleration and capture pre and post-impact data. Superior internal antennas for both cellular and GPS eliminate the need for professional installation and make the LMU-3030 install quick, easy and inexpensive. Messages are transported across the cellular network using enhanced SMS or UDP messaging providing a reliable communications link between the device and your application servers. The LMU-3030 is designed to dramatically reduce cost, power and size while significantly improving field reliability in 12 volt passenger or light-duty vehicles.