(Mobile Locating Unit) MLU REAL-TIME GPS Vehicle Locating System COVERAGE AREA The MLU uses Aeris.net as its data transmission network. The Aeris network can be described as an umbrella network for local and regional analog cell phone networks. It is the same technology used to provide roaming service on your cell phone. It provides a larger coverage area but is more expensive to use on a per update basis. GPS systems using this network on not intended to get updates every 5 minutes. Users of this network typically only need to locate their vehicles a few times per day, once a week or only when the vehicle has been stolen. Vehicle recovery and trailer tracking are the most popular applications.   Aeris has formal agreements with cellular carriers throughout North America to support the deployment of MicroBurst® technology, enabling the wireless transmission of data. This network covers over 98 percent of the U.S. population and 100 percent of the populations of Canada and Mexico. The MicroBurst technology operates completely within current established cellular networks, piggybacking on unused channels. MLU  Real-time GPS Mobil Locating Unit: LOW PRICE OF $449.95 & FREE UPS GROUND SHIPPING. Monitoring agreement required. we will contact you after your order to set up service plan . REPORTS and MAPS GENERATED FEATURES INSTALLATION MONITORING RATES