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Telephone Ring Detectors from our Electronic Kits & Modules range for industrial, professional, educational and hobby applications
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Velleman K8086 - Telephone Ring Detector with Relay Output Electronic Kit
K8086 Telephone Ring Detector with Relay Output Kit allows you to attach an external sounder to your phone line that will sound when the phone rings...
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Velleman K8087 - Telephone Ring with Buzzer and LED Electronic Kit
K8087 Telephone Ring with Buzzer and LED Kit is an external sounder for your phone line that will sound the onboard buzzer and flash when the phone rings...
Velleman VM144 - Telephone Ring Detector with Relay Output Module
VM144 Telephone Ring Detector with Relay Output Module allows you to attach an external sounder to your phone line that will sound when the phone rings...
AS8122KT-RJ11-TB - Telephone Ringer Relay Switch
The Telephone Ringer Relay Switch connects to your phone line and can be used to activate an external buzzer, bell, light, etc. in synchronisation with the incoming ringing signal...
Cebek TF-2 (CTF002) - Telephone Extension Bell Relay Board
Relay activates in time with your telephone rings (Land Line). The relay operates allowing you to connect a supplementary bell or light or even setting off an automated process...
Cebek TF-3 (CTF003) - Telephone Supplementary Bell Triac Board
Module for supplementary bell using onboard triac output. When the telephone ring, the CTF003 module will activate the output...
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