---
product_id: 18748231
title: "Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE"
brand: "netbell"
price: "฿707"
currency: THB
in_stock: false
reviews_count: 2
url: https://www.desertcart.co.th/products/18748231-linortek-netbell-4-tcp-ip-ethernet-4-zone-bell-ringer
store_origin: TH
region: Thailand
---

# Real-time clock Web server 4 relay outputs Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE

**Brand:** netbell
**Price:** ฿707
**Availability:** ❌ Out of Stock

## Summary

> 🔔 Ring in the Future of Timed Alerts!

## Quick Answers

- **What is this?** Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE by netbell
- **How much does it cost?** ฿707 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/18748231-linortek-netbell-4-tcp-ip-ethernet-4-zone-bell-ringer)

## Best For

- netbell enthusiasts

## Why This Product

- Trusted netbell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Manual Control:** Two digital inputs allow for manual bell activation—perfect for emergencies.
- • **Powerful Outputs:** 4 relay outputs support various devices, maximizing your control.
- • **Precision Timing:** NTP synchronized real-time clock ensures bells ring exactly when you want.
- • **Effortless Upgrades:** Easily upgrade program and interface online—no extra software needed.
- • **Seamless Scheduling:** Up to 500 customizable web-based bell timers for ultimate flexibility.

## Overview

The Linortek Netbell-4 is a cutting-edge TCP/IP Ethernet bell controller designed for seamless alarm signaling and event management. With its built-in web server, users can easily schedule up to 500 events, upgrade software online, and enjoy precise control over bell timings, all while supporting multiple devices through its relay outputs.

## Description

The 2 Gen. Netbell-4 bell controller is installed within a NEMA (IP66) rated box that can be used in environment where dust and non-direct water are issues. The new Netbell-4 is a compact, self-contained design device that was created with ease-of-use in mind, supplied with the hardware and software you will need to control the bell timer devices. There are 4 dry contact relay outputs with CP connector that provides quick connect/disconnect capability simplifying installation that allow you to control up to 4 bells/buzzer and other timed signal equipment from 12V-48V at 10A.Netbell-4K web-based bell controller is built on a TCP/IP platform with a built-in web server and special software designed for scheduling a bell system, all software and mounting hardware required for installation and operation are included. With Netbell-4, you can access, control and schedule bells individually over a network, no additional software or designated computer required. The built-in web interface provides quick access to setup and manage your bells. It’s an ideal solution for schools, factories to build a fully automated web-based timed alert system for signaling class changes, shift rotations, breaks and any other timed signal applications.It's ready to go out of the box, and you need only connect the unit to the power outlet and network with the provided cables; it can be connected anywhere on the network, and does not require a direct connection to a PC. Scheduling and setup is accessed through any standard web browser. Use our “Discover” program to find its IP address on your network, you are good to go.What's in the BoxEach Netbell-4K kit includes:Netbell-4 SERVER kitOne 3-meter power cableOne 3-meter RJ45 network cableFour 3-meter bell cables (CP Connector)One 12VAC power supplyWall mounting brackets and hardware

## Features

- Built-in web server with up to 500 web-based bell timers / event scheduling software, each schedule can set different duration for different event
- Import/export bell schedules from existing data in text format
- Program and web page interface are upgradable over the internet, no additional software or designated computer required
- Built-in real time clock synchronizing with NTP server every 10 minutes (user changeable), flexible and accurate control of when the bells ring (HH:MM:SS, SUNDAY-SATURDAY)
- 4 relay outputs (1-Form-A relays 48 Volt Max 1A) for bell control, two digital inputs for adding external switch to ring bell manually

## Images

![Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE - Image 1](https://m.media-amazon.com/images/I/61BTqbm6aeL.jpg)
![Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE - Image 2](https://m.media-amazon.com/images/I/81IVVuRhh8L.jpg)
![Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE - Image 3](https://m.media-amazon.com/images/I/71aRqqm6boL.jpg)
![Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE - Image 4](https://m.media-amazon.com/images/I/61eFcC7sAkL.jpg)
![Linortek Netbell-4 TCP/IP Ethernet 4 Zone Bell Ringer Web-Based Bell Controller for Alarm Signal Bell/Horn/Buzzer and Other Timed Equipment POE - Image 5](https://m.media-amazon.com/images/I/41Ihv+DWMbL.jpg)

## Questions & Answers

**Q: Can this be used to control a simple button/switch that when pressed sends a bell tone over the PA system?**
A: Yes it can be used to control a tone generator that then sends a sound over the PA system. I think that is what you are asking. Brad

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Simple and Reliable
  

*by I***Y on Reviewed in the United States on October 29, 2015*

Work great for our small school. The system does take some custom work. You'll need to buy a power supply and bells, but so far these relays have proven to be easy to setup and very reliable

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Five Stars
  

*by H***. on Reviewed in the United States on October 29, 2016*

Installed it works great. still in the learning phase on what it can do

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**Shop now:** [https://www.desertcart.co.th/products/18748231-linortek-netbell-4-tcp-ip-ethernet-4-zone-bell-ringer](https://www.desertcart.co.th/products/18748231-linortek-netbell-4-tcp-ip-ethernet-4-zone-bell-ringer)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-11*