Netbell®-NTG Network Multi-Tone/Message Generator/Controller

Built-In Web-Based Bell Controller/Multi-Tone/Message Generator, Self-Contained, Ease of Scheduling, Remote Access, No Additional Software or Designated Computer Required


The Netbell-NTG Multi-Tones/Messages Generator is designed to generate/schedule audible alerts for an existing Public Address (PA) System for signaling start and stop work, lunch breaks, shift changes, general alarms, service notification in schools, factories, businesses, warehouses, industrial facilities, commercial buildings, retail stores and more.

The Key Features

  • Network enabled, program and schedule to play from a web browser or BellScheduler desk app over the network, no additional software or designated computer required
  • Two dry contact relay outputs built on the board that can be used to ring physical bells/buzzers or to control other electronic devices
  • 4 programmable digital inputs for triggering special events
  • Built-in one stereo audio line output (30ohm)
  • 40 standard tones/messages and the capacity of adding pre-recorded custom tones and/or voice message up to 10 hours (voice message file rate at 44.1K/16bit)
  • Select/activate 16 tones/messages for different events
  • Up to 500 programmable weekdays/calendar-based event schedules
  • Centralized programmable tone selection
  • Built-in phone jack for audio testing and setup
  • Master volume control
  • Built-in real time clock with user changeable NTP automatic Internet time setting, automatic Day Light Savings Time and leap year correction
  • Flexible and accurate control of when the tones/messages played: (HH:MM:SS, MM/DD/YYYY, SUNDAY-SATURDAY)
  • Built in rechargeable battery that can keep all settings for up to 7 days in the event of power outage
  • POE (Power over Ethernet) enabled.
  • Designed, developed and made in USA