What are the advantages of tracking installed GPS units versus GPS cellular phones?
For commercial vehicle tracking, an installed GPS unit will provide a much more reliable and accurate solution than a cellular phone. Unless you are wishing to track people that are most often not in a vehicle, an installed unit is the best way to go. Although there is a an initial one-time cost involved in purchasing an installed unit, it is really not that significant compared to the cost of the vehicle itself or the expense of keeping that vehicle on the road. The installed units are much less hassle, as once they are installed, they simply work 24/7 and you always know the location and status of your fleet and drivers. In addition to improved GPS position accuracy , the installed unit can monitor vehicle inputs such as engine on, door open, driver emergency, etc. Knowing when the engine is running is the key to knowing when your vehicle is wasting fuel by idling. With fuel prices at record levels, saving only 5 minutes of unnecessary idling per day will pay for the monthly lease co
