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Contact: Allen Chan
Company: Ismart Industrial Comunication Limited Company
1st Building, Tianfuan Industrial Park, Xixiang, Baoan, Shenzhen, China
Shenzhen, China 518000
Phone: 008-185-6567-7282
E-Mail: Send Inquiry
Date/Time:  7/1/15 2:13 GMT

GSM Automation Controller RTU-542

RTU-542 GSM Automation Controller

☆RTU-542 suitable for:

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.


 1 relay output (240VAC@3A) can be switched ON/OFF by sending a SMS text;
 1 relay output (240VAC@3A) can be switch on 4minutes if any inputs triggered;
 8 Alarm logic inputs, NC or NO and EOL is optional;
 3 SMS Alert numbers and 5 auto-dial numbers can accept to the alarm message;
 Two-way voice communication by external microphone and speaker;
 Supports armed, disarmed, inquiry status, switch on or off relay output by SMS
 Password protected, prevents unauthorized user;
 Can be set up and programmed from PC Programmer by USB cable;
 Time stamped alarm messages;
 Backup rechargeable battery inside, can work for 24hours when power off;
 Can be operated from anywhere, no distance limit;
 Based on GSM Network, applied to many applications.


, Parameter item Reference scope
GSM Frequency Default: 900/1800/1900Mhz , Optional: 850/1900/1800/1900Mhz
DC Power supply Standard adapter: DC 12V/1.5A
Power Current Max:500mA Type :50mA
SIM Card Supporting 3V SIM Card
GSM Antenna 50 Ω SMA Antenna interface, Cable type: Gain:3dBi cable-length:3-
5meters connector :SMA
Portable antenna: Gain:2dBi height: 5cm connector: SMA
Serial USB Port
Input Type 8 Dry Contact, NC,NO,EOL.
Output Type 2 Relay Output, 240VAC@3A, Relay inside.
Exterior dimension LXWXH 153x86x28mm
Backup-battery 3.7V 1200MAh LI-ION
Temperature range -20°C ~ +60 °C
Humidity range Relative humidity 20~95% (condensation free)
Weight 320g

Standard Package list:

Mainframe * 1
Power supply adapter * 1
User Manual * 1 (RS232)
CD (Pc programmer tool) * 1
GSM Antenna * 1
Package Size: 75mm * 50mm * 16mm(W*D*H)
Weight: 500g

Optional Accessories:

Water Overflow Level Sensor,
Oil Overflow Level Sensor,
Water Leak Sensor,
Temperature Sensor,
Door Sensor,
PIR Motion Sensor,
Smoke Sensor,
Gas Leak Sensor,
Glass Break Sensor,
Shock Sensor,
Power failure sensor, etc.

Minimum Order: 5 pieces

GSM Automation Controller RTU-542
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SOURCE: Import-Export Bulletin Board (
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