The S-04S from TOA Electronics is a switch-selectable tone generator module for 900 series amplifiers. It generates eight tones via switch-closure that can be used as doorbells gate/door releases class change signals or pre-announcement signals. It has...
The S-04S from TOA Electronics is a switch-selectable tone generator module for 900 series amplifiers. It generates eight tones via switch-closure that can be used as doorbells gate/door releases class change signals or pre-announcement signals. It has...