Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS 7369:1991

BS 7369:1991

$102.76

Specification for multi-frequency tone signalling protocol for social alarm systems

Published By Publication Date Number of Pages
BSI 1991 16
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Transfer of information and controls within a social alarm system by means of multi-frequency tone signals passing between a local unit and an alarm receiving station via the public switched telephone network.

BS 7369:1991
$102.76