About Alert-A "Alpha" Line Powered Telephone Ringer

Add louder/external ringing to any analogue phone. Line powered loud ringer, no external power supply required.

Not to be used outside not IP rated

will not work as an external loud ringer for noisy applications  - use the Industrial AC powered ringer for this application

About Amdex

Experience robust connectivity with Amdex. Their range of networking and cabling solutions ensure fast, reliable connections that keep your tech running smoothly.