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Shenzhen Instantware Information Technology Co., Ltd.

Ethernet GSM Remote Terminal Unit Telemetry Data Logger Alarm , Support 3V SIM Card

Ethernet GSM Remote Terminal Unit Telemetry Data Logger Alarm , Support 3V SIM Card

Product Details:

Place of Origin: China
Brand Name: INST
Certification: CE ROHS ISO CCC
Model Number: M3D4

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
Power Consumption: 12V/24V Input Max. 150mA/Average 50mA Communication Interface: RS-232/RS485/USB
Digital Output: 4 Drivable Relay Outputs (open-collector Outputs Analog Input: 4 Analog Inputs(4~20mA Or 0~5V)
DC Power Supply: 9-28V DC (Standard Adapter: DC 12V/24V/1.5A) Digital Input: 4 Digital Inputs (dry Contact,wet Contact Is Option)

Ethernet GSM Remote Terminal Unit Telemetry Data Logger Alarm RTU


RTU remote control terminal unit is a kind of monitoring and control device, accordingly it has analog signal acquisition, digital signal acquisition, relay control output and wireless data communication function. It is widely used in agricuture system, door opener system, elevator control system.



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

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

Digital Output

4 Drivable relay outputs (open-collector outputs

Analog Input

4 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;
· Vending Machines security protection;
· Automation System, M2M;GSM Access Control System, GSM Gate Opener, etc.


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Ethernet GSM Remote Terminal Unit Telemetry Data Logger Alarm , Support 3V SIM Card

Contact Details
Shenzhen Instantware Information Technology Co., Ltd.

Contact Person: Stacey

Tel: +8615914081240

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