Tone Ringer

The IN2411 is a bipolar integrated circuit designed for telephone bell replacement.

•  Designed for Telephone Bell Replacement
•  Low Curent Drain
•  Adjustable 2-frequency Tone
•  Adjustable Warbling Rate
•  Extension Tone Ringer Modules
•  Alarms or Other Alerting Devices
•  Adjustable for Reduced Supply Initiation Current.
•  Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’