
Building intercom systems. System requirements. Building intercom systems using the Internet protocol (IP).
NORMA vydaná dňa 22.9.2026
Designation standards: BS EN IEC 62820-1-2:2026
Publication date standards: 22.9.2026
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: British technical standard
Kategória: Technické normy BS
ISBN: 978 0 539 17474 8 Status: Definitive