Rfss – Codan Radio P25 Training Guide User Manual

Page 56

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TRAINING GUIDE | P25 RADIO SYSTEMS

Chapter 3: P25 Technical Information

Page 48

An example of P25 maximum throughput delays is shown below:

Figure 3-4: Conventional Voice Service Throughput Delays

P25 Radio Systems will have either a slight or great increase in the delays experienced by the user over
legacy analog systems, depending on the system infrastructure (more infrastructure to pass the signal
through equals more delay). System users may require re-training to accommodate for the greater
delays.

* Conventional or Trunked Voice Service

SU

<

125

ms

SU

SU

<

250

ms

<

250

ms

SU

SU

<

350

ms

Repeater

SU

SU

<

500

ms

RFSS*

<

500

ms

Repeater

RX TX

<

100

ms

<

100

ms

RF (in/out)

audio (in/out)

SU

subscriber unit

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