42 System Feature Overview
April 2011 68007024085
2.4 MOTOTRBO Integrated Data
2.4.1 Overview
When performing in digital mode, any MOTOTRBO radio can be used as an integrated voice and
data radio, where the radio can send voice as well as data messages on a given logical channel.
This does not refer to data services like enabling users to surf the web, send video images, or
synchronize their office desktops. This is not the right technology for such bandwidth-hungry
applications. However, it is a great technology for productivity-enhancing applications like
messaging, location based services, simple database queries, bar code reading, and fill-in-the-
form type of applications. Additionally, it is built into the MOTOTRBO system, so there are no
monthly fees or dependencies on public carrier services, and customers control what applications
their users can access.
The MOTOTRBO system provides reliable data communications throughout the same areas
where the system provides readily usable voice communications. However, there is a trade-off
between the desired RF coverage area for data and the data throughput of the system. Extending
the range of a system's operation requires more data message retries to successfully complete
confirmed transactions, thus lowering throughput.
Integrating voice and data on the same channel brings several benefits. These include:
• Use of one RF channel for both voice and data.
• Use of one system infrastructure for both voice and data.
• Use of one subscriber to send and retrieve both voice and data messages over-the-air.
Integrating voice and data on the same channel also brings several considerations. These include
the following:
• Traffic loading
• Customer application requirements
• Contention of voice and data.
“System Design Considerations” on page 203 of this document provides practical guidance on the
above considerations.
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