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SUTO WTU Wireless Transmission Unit for Sensors

Simplify your setup. Connect devices wirelessly. Transmit data securely.

  • Simplify your setup. Connect devices wirelessly. Transmit data securely.
  • Long-distance wireless communication via ISM band
  • Battery-powered portable version for mobile setups
  • Available as stationary or portable version
  • Supports Modbus RTU protocol
  • Scalable solution for multi-point monitoring
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Made in Germany. brand SUTO, model WTU

International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.

price by request

Available

Available

Advantages

Only the best I&C brands

Our company is a UAE supplier of control and measuring instruments from well-known world brands

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Discounts for organisations

We sell high-tech equipment at best prices. We provide really advantageous conditions for partners

Advantages

Fast delivery across the Middle East

Supply to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Bahrain, Oman and other countries

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Professional advice on device selection

Our specialists are ready to advise you on any technical question. We can find an analogue of any device

Description of SUTO WTU

The WTU (Wireless Transmission Unit) replaces traditional wiring with a robust wireless link between Modbus master and slave devices. It is the ideal solution for transmitting data across compressed air networks where cabling is impractical or costly.

Designed for flexible use, the WTU is available in three models:

  1. WTU-S for stationary installations
  2. WTU-P with integrated battery for portable use
  3. WTU-PM for mobile master devices like the S551

With plug and play connectivity, standard connectors and encrypted transmission, the WTU ensures secure and reliable communication between sensors, data loggers and gateways—even over long distances or across buildings.

The WTU can act as a Master, Slave or Repeater, allowing users to tailor the wireless setup to any site condition or infrastructure layout.

Advanced Wireless Integration
SUTO’s S4C-WTU app makes device setup intuitive and mobile-friendly. View system status, configure wireless and Modbus settings, or run signal strength tests—all directly from your phone. The guided setup reduces installation time and simplifies scaling as the monitoring system grows.

With multi-sensor support per WTU slave, and up to 16 devices per master, the WTU ensures complete coverage of your measurement points.

Application

  • Distributed Compressed Air Networks: Connect sensors in remote or hard-to-wire locations
  • Industrial Plants: Bridge Modbus communication between buildings
  • Mobile Measurement Setups: Use the WTU-P to transmit data wirelessly from portable instruments
  • System Upgrades: Replace cables in existing installations to avoid production interruptions
  • Wireless Extensions: Use the WTU as a repeater to extend range or overcome noise interference

Technical specifications of SUTO WTU

GENERAL DATA
Frequency Wireless Communication 470-510 MHz (CN470) 863-870 MHz (EU868) 915-928 MHz (US915)
Housing material Plastic casing
Protection class IP65
LED indicator 1 x LED
Operating temperature 0 ~ 50 °C
Humidity <90%RH, no condensation
Dimensions WTU-S & WTU-PM: 80 x 60 x 30.3 mm
WTU-P: 130 x 90 x 40 mm
Weight WTU-S & WTU-PM: 120 g
WTU-P: 470 g
ELECTRICAL DATA
Power input WTU-S & WTU-PM: 18…28 VDC/0.5A
WTU-P: 18…28 VDC/1A
Power output WTU-S & WTU-PM: 18…28 VDC/0.5A
WTU-P: 24 VDC/0.5A
Power consumption WTU-S&WTU-PM: <= 0.3 W
WTU-P: <= 0.5 W
Battery WTU-P: Lithium ion battery,
3500 mAh, 11.1 V
INTERFACE
LED Constant green: Power on
Blinking green: Receiving data
Constant red: Error
Blinking red: Transmitting data
Status screen WTU-P: Battery level display
Connector RS485 (Modbus/RTU)
Transmission method Transparent data transmission
Encryption technology AES 128-bit encryption for secure data transmission
Expand Table

User Guide and Instruction manual for SUTO WTU

You can request the necessary certificates, documentation, instructions and user guide for SUTO WTU using the special form.

You can buy SUTO WTU in UAE at a favourable price in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email . SUTO WTU price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.

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