GSM/3G/4G LTE 8 Relay Outputs Remote Relay Switch RTU5020~RTU5022

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$5.00 - $50.00 / Pieces | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Brand Name:
King Pigeon
Model Number:
Max. Current:
Max. Voltage:
Product name:
Remote Relay Switch
8 relay output
Program Digital Time Switch
SMS/GSM/GPRS/3G/4G commands
Authourized number:
Pulse output:
support pulse output,width:0~999sec
Exterior dimension:
Net Weight:
Supply Ability
Supply Ability:
9999 Piece/Pieces per Day
Packaging & Delivery
Packaging Details
Packing List:
GSM/3G/4G SMS Remote Relay Switch *1
Block Connectors* 1
AC/DC Adaptor 12VDC 1.5A*1
User Manual*1
Lead Time :
About Us

King Pigeon Hi-Tech.Co.,Ltd. is a leading GSM GPRS 3G 4G RTU Controller and GSM GPRS 3G 4G Industrial IoT Solution manufacturer since 2005. It provides a complete product lines  and Cloud Platform, APP solution to meet different applications.

***Mianly Products***

GSM 3G 4G SMS Controller Alarm

GSM 3G 4G Remote Switch

GSM 3G 4G Gate Opener  Intercom

GSM 3G 4G Remote Terminal Unit

GSM 3G 4G Modbus RTU 


GSM 3G 4G Power IoT RTU

433Mhz GSM 3G 4G Wireless RTU

Ethernet Remote I/O Module

Modbus RTU Remote I/O Module

GSM 3G 4G Security System

Web Server+Cloud Platform+APP


Quickly Guide List

GSM SMS GPRS 3G 4G RTU Controller Quick Selection Guide

Click Here

Modbus TCP Ethernet Remote I/O Module Quick Selection Guide

Click Here

Modbus RTU Remote I/O Module Quick Selection Guide

Click Here

GSM SMS 3G 4G Security Alarm Senior Care Quick Selection Guide

Click Here



 GSM/3G/4G LTE 8 Relay Outputs Remote Relay Switch RTU5020~RTU5022


Product Description


Name:GSM/3G/4G LTE 8 Relay Outputs Remote Relay Switch RTU5020~RTU5022


The GSM 3G 4G Remote Relay Switch is an industrial class, high reliability, high stability Remote Terminal Unit (RTU).  It embedded 32-Bit High Performance Microprocessor MCU, inbuilt industrial Cellular module, equipped 2 Solid Relay inside, can contact to electric device directly, special for remotely switch ON/OFF onsite devices by SMS, APP, Web Server, internet or timers automatically.

The GSM 3G 4G Remote Relay Switch inbuilt TCP/IP protocol stack make it suitable for internet of things (IoT) applications, it can be easily to operate by the provided cloud, app, and web server, or integrated to you IoT applications according to the TCP/UDP protocol, or integrated to SCADA systems by standard Modbus TCP protocol, too. This is very useful if you need remote control onsite devices with low cost solution.


The GSM/GRPS/3G/4G Remote Switches is design for working in the harsh industrial application environment, widely used in a variety of industrial automation, security monitoring system, automatically control system. It can be used as a remote switch, and timer switches, it suitable for lots of applications that need remotely switch ON/OFF devices, e.g.: Street Light control, water pump control, motor switch, breaker control, etc.


Typically applications:


1.    Security Alarm System applications;          

2.    Supervision and monitoring alarm systems;

3.    Automatic monitoring system;             

4.    Vending Machines security protection;

5.    Pumping Stations, Tanks, Oil or Water levels;

6.    Buildings and Real Estate;

7.    Weather Stations; 

8.    River Monitoring and Flood Control;

9.    Oil and gas pipelines;  

10. Corrosion protection

11. Temperatures, water leakage applications;

12. Wellheads, boat, vehicle;

13. Energy saving, street lights control system;

14. Valve controls;

15. Transformer stations;   

16. Unmanned machine rooms;

17. Control room application;

18. Automation System, M2M;

19. GSM Access Control System, GSM Gate Opener, etc.


Mainly Features:

1.     Can be operated from anywhere, no distance limitation;

2.     Quad band 850/900/1800/1900Mhz GSM GPRS Module inside.

3.     3G/4G/NB-IOT Modules are optional;

4.     Modular design, can easily upgrade the cellular module if network upgrade;

5.     Embedded 32 bit ARM9 MCU, reliable performance with in-built watchdog;

6.     Wide range power supply 9~36VDC with over voltage and phase-reversal protection, optional power supply: 110~220VAC@50Hz;

7.     2 relay output (5A/30VDC,5A/250VAC), compatibles pulse outputs;

8.  Supports Switch ON/OFF by SMS, APP, Timer, and Web Server;

9.  Resend the data while communication failure;

10. Supports remotely restart the device, and configure it remotely;

11. Accepts 10 user numbers to receive daily reports and data communication failure message.

12.  Inbuilt TCP/IP protocol stack, supports cloud, APP and web server applications.

13. Supports Modbus TCP protocol over GPRS/3G/4G/NB-Iot networks;

14.  Industrial class design suitable for long time work applications;

15. Using metal shell, protection class IP30. Metal shell and system security isolation, especially suitable for industrial applications in the field;

16.  Small size, L105 * W88 * H30mm, compatible wall installation and DIN35mm industrial rail installation.

Packing List:


AC/DC AdaptorX1

GSM/3G/4G Antenna X1

User Manual X1

PC ConfiguratorX1

More information

Download User Manual, App, PC configurator please visit

For Industrial IoT Solutions:                           For Home Security Alarms:



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