Wireless GPS And Digital Data Dispatch Devices
Mobile Data Terminals (MDTs)
These are the tried and true stalwarts of workforce management wireless data solutions. They are usually designed for use in a specific industry (i.e. Taxi) and applications are specifically written to use the functionality of a given terminal.
A key limitation is usually price. These terminals can range in price from $800 to over $3000, excluding the radio. However if one owns or has access to a duplex frequency pair and radio base station the total cost of ownership over the long haul can be less, as there is no monthly charge for the wireless transmission of data. On the flip side, if one does not own a radio channel there are very few dedicated mobile data terminals that operate on public networks. This is particularly troublesome when ones service area covers a large geographic area, as it is very difficult and expensive to set up a private radio system to cover the required geography.
There are significant numbers of peripherals available however operation compatibility can be an issue. Usually the manufacture of the data terminal produces a list of compatible peripheral devices for use with the terminal. This list often includes a printer, credit card reader, emergency foot switch etc.
Mobile data terminals are typically mounted permanently in a vehicle. Traditional mobile data users, such as the Taxi industry often prefer this approach, as it tends to keep their driver in the vehicle. In addition, bolting the equipment to the vehicle makes it difficult for the driver to accidentally take the device home in his pocket or drop it and damage it. Other industries, such as courier and field service, prefer their workers to carry the wireless device with them to the job site.
Mobile Data Terminals (MDT) - Pro's
- Reasonable long-term operating costs (usually requires private radio system)
- Rugged – due to permanent installation
- User friendly - simple to operate
- Bright, easy to read display
- Peripherals available for Credit Card, GPS, Bar code, Printing
- Reduces theft and damage due to permanent installation
- Mobile Data Terminals (MDT) - Con's
Mobile Data Terminals (MDT) - Con's
- High capital cost
- Tethers worker to vehicle
- High installation and implementation costs
- Limited ability to run other programs
- Limited radio spectrum makes it difficult for small companies to implement
- Limited coverage when deployed on a private two-way radio system
- Voice communications on same two-way radio restricts data transmission
- Normally does not operate when out of Radio coverage
- Subject to government forced spectrum changes such as narrow-banding
