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Shenzhen Instantware Information Technology Co., Ltd.

Industrial Monitoring GPRS GSM RTU , GSM SMS Alarm Controller With 2 Digital Output

Industrial Monitoring GPRS GSM RTU , GSM SMS Alarm Controller With 2 Digital Output

Product Details:

Place of Origin: China
Brand Name: INST
Certification: CE ROHS ISO CCC
Model Number: M3D2

Payment & Shipping Terms:

Minimum Order Quantity: accept sample order
Price: negotiated
Packaging Details: paper box
Delivery Time: 5~8 work days for sample
Supply Ability: 5000sets/month
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Detailed Product Description
Communication Interface: RS-232/RS485/USB Analog Input: 2
Digital Output: 2 Digital Input: 2
Exterior Dimension: 210x145x33mm GPS Antenna: External

Monitoring GPRS GSM RTU SMS Remote Terminal Unit Control Alarm System


1) 8 digital inputs
2) 8 relay drivable outputs
3) 8 analog inputs
4) Support connects servers, the servers must connect internet and have static public IP address or Dynamic Domain name
5) Configurable for alarm and recover sms
6) Automatically report the status of itself on schedule
7) Support remote setting via sms commands
8) Preset 10 phone numbers (can be distributed authority)
9) Remote add/edit/delete phone group
10) Automatically update internal clock via sms
11) Support ring call when alarm


RTU wireless remote control terminal series products are the high-performance monitoring and control device. Most of them will be used in smart home. agricuture, pump monitor, water and temperature monitor and so on.



DC Power supply

9-28V DC (Standard adapter: DC 12V/24V/1.5A)

Power consumption

2V/24V input Max. 150mA/Average 50mA

GSM Frequency range

Quad-frequency 900/1800/850/1900MHz

SIM Card

Supporting 3V SIM Card


50 Ω SMA Antenna interface

Memory card


GPS Antenna


Communication interface


Temperature range

-40°C ~ +80 °C

Humidity range

Relative humidity 95%

Digital input

8 Digital inputs (dry contact,wet contact is option)

Digital Output

8 Drivable relay outputs (open-collector outputs

Analog Input

8 analog inputs(4~20mA or 0~5V)

Output drive voltage

Equal to input DC voltage

Output drive power

Drive voltage ≤35V, drive current ≤500mA

Exterior dimension




· Security Alarm System applications;
· Supervision and monitoring alarm systems;
· Automatic monitoring system;
· Pumping Stations, Tanks, Oil or Water levels;
· Weather Stations;

· Car Monitor and analysis;
· Control room application;


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Contact Details
Shenzhen Instantware Information Technology Co., Ltd.

Contact Person: Stacey

Tel: +8615914081240

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