Category
Cellular IoT RTU-GSM SMS 3G 4G RTU
GSM 3G 4G RTU - S130 S140 S150
GSM 3G 4G Switch - RTU5020/1/2
GSM 3G 4G RTU - S270 S271 S272
GSM 3G 4G Modbus RTU--S273/4/5
Cellular IoT Gateway - S17x/37x/47x
Wireless GSM 3G 4G RTU - S280
GSM GPRS 3G 4G IoT M2M Modem
GSM SMS GPRS 3G 4G Data Logger
GSM 3G 4G Gate Opener Intercom
GSM 3G 4G Power Mesuring RTU
GSM SMS GPRS RTU Controllers
GSM 3G 4G Monitoring Alarm
Industrial Detector Transducers
Industrial Ethernet Remote IO Module
Modbus RTU Remote IO Modules
CANOpen DeviceNet IO Modules
GSM Home Security Alarm
Certificate Download (CE/FCC/RoHS/SGS)
Cellular IoT Cloud Platforms
GPRS 3G 4G Wireless IoT module
 
 
 
 
 
 
 
 
 
 
 
Cellular IoT RTU-GSM SMS 3G 4G RTU
 
A leading GSM GPRS 3G 4G NB-Iot RTU Controller and GSM GPRS 3G 4G NB-IoT Industrial IoT 
Solution manufacturer since 2005.

Provide a complete product lines, and Cloud Platform, APP solution to meet different applications.

From below table, you can find out the best suitable model for you applications quickly.

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

General Cellular RTU----1/2/4/8 Digital Input+2 Relay Outputs Remote Controller Alarm

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud+APP

Serial Port

Link

S130

2

2

×

×

×

×

×

USB

Detail

S140

4

2

×

×

×

×

×

USB

Detail

S150

8

2

×

×

×

×

×

USB

Detail

D222

1

×

×

×

Optional for pulse counter SMS alert

USB

Detail

D223

1

×

×

×

Cellular DTU, convert Com port to TCP/IP

USB

Detail

General Cellular RTU----2/4/8 Channel Remote Relay Switch

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

RTU5020

×

2

×

×

×

×

Detail

RTU5021

×

4

×

×

×

×

Detail

RTU5022

×

8

×

×

×

×

Detail

General Cellular RTU----1 Channel Remote Monitoring Alarm

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

RTU5023

×

×

×

1TH

×

×

Detail

RTU5026

×

×

×

T*

×

P×rt

Detail

RTU5027

×

×

1

×

×

×

Detail

RTU5028

×

×

×

×

×

×

Detail

RTU5029a

×

×

×

×

×

×

Detail

RTU5029b

×

×

×

×

×

×

Detail

1 Relay Output, Gate Opener, Remote Relay SwitchCall to open the door with free charge

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

RTU5024

×

1

×

×

×

×

Detail

RTU5025

2

1

×

×

×

USB

Detail

K6

GSM/3G

1

1

×

×

K6 used for apartment access control,K6s used for Villa, remote open the door for visitors.

Detail

K6s

GSM/3G

1

1

×

×

 

Detail

Multi I/O Programmable GPRS RTUSupport KingView SCADA

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

S200

GSM

2*

2

4

2T*

×

×

×

USB+RS485

Detail

S220

GSM

6*

4

6

2T*

×

×

×

USB+RS485

Detail

S240

GSM

6*

4

10

2T*

×

×

×

USB+RS485

Detail

Temperature, Humidity, Analog Data Logger and Monitoring Alarm Controller

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

S260

GSM 3G

×

1

×

4T*

×

Compatibles CMS-02 Central center, supports Ultra-high, high, low, ultra-low threshold alarm.

USB

Detail

S261

GSM 3G

×

1

×

4T*

×

USB

Detail

S262

GSM 3G

×

1

4

×

×

USB

Detail

S263

GSM 3G

×

1

4

×

×

USB

Detail

S264

×

2

×

4TH

×

USB

Detail

S265

×

2

×

8TH

×

USB

Detail

S266

×

2

×

8T*

×

USB

Detail

Multi I/O Programmable GSM GPRS 3G 4G RTU (Recommend)

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

S270

2

2

2*

1TH

×

USB

Detail

S271

4

4

4*

1TH

×

USB

Detail

S272

8

4

6*

1TH

×

USB+RS485

Detail

S273*

8

4

6*

1TH

×

USB+RS485

Detail

S275*

8

4

6*

1TH

×

USB+RS485

Detail

S473

8

4

6(24bit)

1TH

USB+2*RS485

Detail

S474

8

4

6(24bit)

1TH

USB+2*RS485

Detail

S475

8

4

6(24bit)

1TH

USB+2*RS485

Detail

S280

GSM 3G

4

2

×

1TH

×

×

USB+RS485

Detail

GSM GPRS 3G 4G IoT Gateway

---Converts RS485 to SMS, Modbus TCP, Cloud Platform, HMI, SCADA

S173

×

×

×

1TH

×

USB+2*RS485

Detail

S174

×

×

×

1TH

×

USB+2*RS485

Detail

S175

×

×

×

1TH

×

USB+2*RS485

Detail

S373

×

×

×

1TH

USB+2*RS485

Detail

S374

×

×

×

1TH

USB+2*RS485

Detail

S375

×

×

×

1TH

USB+2*RS485

Detail

Multi Purpose Programmable GSM GPRS 3G 4G Power RTU 

---Electricity consumption, Water well, Electricity parameter, Diesel Generator monitoring

Model

GSM 3G 4G

DIN

Relay Output

AIN

T+H

SMS+Dial

SMS APP

Data

Ethernet

Cloud +APP

Serial Port

Link

S251

4

2

×

1TH

×

×

USB+RS485

Detail

S252

4

2

×

1TH

×

×

USB+RS485

Detail

S253

4

2

4

1TH

×

×

USB+RS485

Detail

S254

4

2

×

1TH

×

×

USB+RS485

Detail

S255

4

2

×

1TH

×

×

USB+RS485

Detail

S256

4

2

×

1TH

×

×

USB+RS485

Detail

S257

2

2

×

1TH

×

USB+RS485

Detail

Notice:

1. DIN marked * stands for Optical-Isolated, AIN marked * stands for can change to PT100 temperature probe, T+H marked T * stands for the temperature sensor is DS18B20, T+H marked TH stands for the temperature & humidity sensor is AM230x.

2. S273/S274/S275/S473/S474/S475 support extend Modbus RTU Slave,e.g.:I/O module,meter,PLC,UPS;the extend I/O quantity is different.S47X with 6 ultra high 24 bit resolution analog inputs.

3. S173/S174/S175 with 2 RS485 serial port,supports 128/224/320 extend I/O tags via Modbus RTU protocol; S373/S374/S375 with 1 Ethernet RJ45 port for connecting internet WAN or LAN,and 2 RS485 serial ports,supports Modbus RTU master and slave .

4. Industrial FieldBus Protocol Module:Modbus TCP/Modbus RTU/CANOPEN/DeviceNet/ProfiNet Modules are not included in this guide list,please contac us for details.

 
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