Wide area networks have been set up throughout the UK for users of shared systems in the Band III frequencies and cover much of mainland Britain. Two national networks have been established, and several companies have been licensed to set up and operate local single-and multiple-site systems. They offer operators of commercial vehicle fleets a communications system which has major benefits over private mobile radio technology.

The networks provide excellent clarity and call security. Users can make rapid, dedicated voice and data communications to other units, and have the ability to connect to their company's private telephone system and main computer; dialing into the public switched telephone network is also possible.

Leading electronics manufacturers worldwide have developed radio units especially to meet the Protocol 1327 standards. They provide a choice of features such as handsets of fist microphones, a range of dialing facilities and hands-free operation to enable safe communications on the move.

Tens of thousands of users are already operating on the new networks. Among those benefiting are a number of UK organizations ranging from local small businesses to the large public utility companies which prefer to operate their own closed system.

With a need to stay in constant communication with a large number of service vehicles over a wide area, the use of Protocol 1327 is allowing better vehicle use, greater manpower efficiencies and significant operating economies.

WORLDWIDE APPLICATION

Protocol 1327 is proven technology. the UK experience is evidence of the success of these standards. Their widespread adoption will provide great opportunities for manufacturers by establishing a worldwide market for their products.

Systems can be set up quickly since network and user systems already exist. There need be no troublesome delays while standards are devised and equipment is designed and produced. Systems can be set up immediately whilst home manufacturers develop their own products.

Because the Protocol 1327 standards are flexible, they can be easily implemented to suit specific requirements. When universally adopted, the transfer of radio units conforming to similar frequencies between networks and countries will no longer be a problem.

Of course, users will benefit too. the larger the market and economies of scale, the less expensive the subscriber equipment.

USER FEATURES

Two-way conversation with a variety of types of call.

Data transmission:
- status messages (a number from 0 to 31)
- short data messages (alphanumeric characters)
- non-prescribed data (files, printing, etc...)

Conference calls.
Call transfer Available.

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