Shenzhen Qianhai Lensen Technology Co., Ltd.

China Manufacturer with main products: RF Module, Radio Modem, Di Do Module, Data Transceiver, Ai Module, Ao Module, Wireless Data Sulition, Automation Solution

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Wireless DTU Remote Control ON-off 2km

FOB Price: 555.00 - 590.00 USD/Piece
Supply Ability: 6,000 Piece(s) per Month
Shipping: 6000pcs/month
Payment Terms: T/T, Western Union
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: standard

Quick Details

  • Model Number: LS-RDIO0808
  • Brand Name: Lensen
  • Master: 1 LS-R324
  • Slaves: 4 LS-RDIO0808
  • Control distance: 2km



Radio based, no need internet, no monthly fee
Support Modbus RTU protocol
2km LOS control distance  


Technical details:

Introduction of LS-R324

LS-R324 is a 1W radio modem, transmit 3km LOS. It supports UHF band, 24V power supply. Usually works as DTU to connect with PLC and other industrial control devices. LS-R324 Supports RS485 Modbus RTU protocol. Has the advantage of register data restore function.



· Water/waste water treatment field

· Wind speed, rainfall, humidity etc data collection

· Temperature, humidity, concentrations of CO2 etc data collection

· Wireless data collection and transmission

· Wireless communication between PLC and sensors



· Power output: 24V DC

· RF power: 1W

· Air baud rate: 1,200/2,400/4,800/9,600/19,200bps choose one

· Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable

· Frequency band: 433, 450, 470 or others

· Interface: Standard RS-232/RS-485/TTL/USB

· Communication mode: Half-duplex

· Channel: 8(default), 16/32(customized)

· Receive current: <45mA (TTL connect)

· Receive sensitivity: -123dBm @ 1,200bps); -118dBm @ 9,600bps)

· Transmitting current: <500mA

· RF line-of-sight range: 2km (); 3km (BER=10-5 @ 1,200bps)

· Size: 175*115*32mm (without antenna port)


Pin Definition:

  Support RS232, RS485, USB, you can use DIP switch to program


Introduction of LS-RDIO0808

LS-RDIO0808 Modbus RTU is a 1W I/O module, 8 isolated digital inputs, 8 isolated relay outputs, 1 RS485 (wireless RS485 customizes). Wireless control 2km-3km. Use for pump control, water level monitoring, and motor, valve, light ON-off wireless control.


· Transparent I/O System, no programming required

· Not need internet, no third party cell, no monthly fees

· You have full control over your own carrier

· Real time status feedback from the remote site

· Fast installation and easy setup


· Input: 8 isolated digital active inputs (passive input customize)

· Output: 8 isolated relay passive contact outputs, contact load AC, DC.(active output customize)

· Protocol: Modbus RTU

· Collocated with a wireless data module whose transmitting distance is about 2km-3km; the working frequency 433MHz (400-470MHz); RF power: 1W; Receiving sensitivity: -123dBm

· Receiving current: <50mA; transmitting current: 600mA

· Power supply: DC 9V-36V

· Dimension: 145mm*90mm*40mm


· Application:

· Lighting Control Systems

· Wireless Pump Control?

· Wireless Valve Actuation?

· Conveyor Control

· Grain Augers

· Engine Control

· Tank Level Monitoring

· PLC Activation




Operation method of useage:

Pump control
Tank level control
Irrigation wireless control
Lights on-off control
Wireless alarm system  



1 LS-R324
4 LS-RDIO0808
5 magnetic antenna

wireless DTU remote control ONOFF 2km

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