Standard
[CURRENT]
BS 8521:2009-04-30
Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems
- Publication date
-
2009-04-30
- Original language
-
English
- Pages
- 30
- Publication date
-
2009-04-30
- Original language
-
English
- Pages
- 30
Product information on this site:
Quick delivery via download or delivery service
Buy securely with a credit card or pay upon receipt of invoice
All transactions are encrypted
Loading recommended items...
Loading recommended items...
Loading recommended items...
Loading recommended items...