NEMA BS 31057:2025
Current
Current
The latest, up-to-date edition.
Emergency Communications Audio Intelligibility Applications Guide
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
14-01-2026
Free
Excluding VAT
NEMA has created this guide to assist specifiers and Authorities Having Jurisdiction with understanding the concepts and terminology used to enhance the intelligibility of emergency voice paging systems.
| DocumentType |
Guide
|
| Pages |
31
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Current
|
| Supersedes |
Summarise
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