8 System Feature Overview
April 2011 68007024085
2.1.2.4 Two-Slot TDMA Enables System Flexibility
The two time slots or logical channels enabled by two-slot TDMA can potentially be used for a
variety of purposes. Many organizations deploying MOTOTRBO systems can use these slots in
the following manner:
• Use both the slots as voice channels. This doubles the voice capacity per licensed
repeater channel, thereby
• increasing the number of users the system can accommodate, and
• increasing the amount of air time the users can consume.
• Use both slots as data channels. This allows the organizations to fully deploy data
transactions
• Use one slot as a voice channel, and the other as a data channel. This is a flexible
solution, that allows customers to equip their voice users with mobile data, messaging,
or location tracking capabilities.
In any of these scenarios, additional benefits are realized within the existing licensed repeater
channel(s).
Figure 2-4 Example of Two-Slot TDMA
Timeslot 1 Timeslot 1 Timeslot 1Timeslot 2 Timeslot 2 Timeslot 2
Voice Call 2 (or Data)
Voice Call 1 (or Data)
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