- Is P25 the right technology?
- How do I specify my coverage requirements?
- What do I need to know about ISSI?
- How can I ensure interoperability?
- What about FirstNet?
This Best Practice Guide for specifying P25 systems uses a simplified chronological approach. In reality, most of these processes are iterative and impact each other, sometimes heavily. For example, often the initial requirements are significantly scaled down after all costs are estimated and you are confronted with budgetary restrictions. We approach system architecture and functionality as two separate subjects simply to organize the contents, while in reality, they are co-dependent.
The desired system functionality will impact on its architecture and the architecture will dictate availability – or at least feasibility – of some functions.
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