- Telephone Technical Services
- Wholesale TelcommunicationsAmong other things we supply Line Powered Telephone Ringers and Loud Sounding Alarms, to suit Analog PSTN telephone Lines 110db sound rating using External horn speaker 12VDC 1 Amp power supply. These are approved for use in Australia New Zealand capable of very a loud output. ….
- Address:131 Russell Street
- nbnorthbayou
- Address:6 Bridge Street
- Inhome Audiovisual
- Address:4 Cashew Court, Upper Coomera
1