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RS485 Wireless Radio Modem

Basic Information
Place of Origin: China
Brand Name: Lensen
Certification: FCC
Model Number: LS-R324
Minimum Order Quantity: 2pcs
Price: Negotiation
Packaging Details: standard carton
Delivery Time: 2-8days
Payment Terms: T/T, Western Union
Supply Ability: 6000pcs/month
Power Output: 1W Frequency: UHF
Interface: RS232, RS485, USB Distance: 2km
Interface Change Way: DIP Application: PLC Wireless Communicaiton
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RS485 Wireless Radio Modem


RS232 Wireless Radio Modem


RS485 Wireless Radio Module

RS485 Wireless Radio Modem


1W Wireless DTU RS485 Radio Moddem PLC wireless module RS232 RS485 USB port



LS-R324 is a 1W radio modem,

It control 3km LOS.

It supports UHF band,

Support 24V power supply.

Usually works as wireless DTU to connect with PLC and other industrial control devices.

LS-R324 Supports RS485 Modbus RTU protocol. 



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: RS-232, RS-485 and USB

Communication mode: Half-duplex

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

Receive current: <45mA

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

Transmitting current: <500mA

RF line-of-sight range: 2km (BER=10-5@9600bps); 3km (BER=10-5 @ 1,200bps)

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


Frequency 433MHz or 450MHz, 470MHz
Power Output 1W(3000m LOS)
Protocol support Standard Modbus RTU protocol or user-defined protocol
Power supply 9-36V DC usually use 24V DC or 12V DC
Interface RS-485(default)or RS232 or USB
Channel No. 15 channel, use DIP to change
Antenna Free sucker antenna with 1.5m cable(buy 5.5dBi sucker antenna)
Temperature -35℃~+75℃ (industrial)
Dimension 175×115×32(mm) exclude antenna
Fix method Screw



Pin Definition:

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


About the LED indicator

a. When module is power on, POWER LED is always ON (red).

b. When module enter to set mode (DIP 8 ON), SET LED is always ON (red).

c. When module is transmitting,

     if you use RS232 port, RS232 LED blinks (green) regularly.

     if you use RS485 port, RS485 LED blinks (green) regularly.

     if you use USB port, USB LED blinks (green) regularly.

d. When module is receiving, RF LED blinks (blue) regularly.


Application area:

Water/waste water treatment

Industrial automation

PC/PLC wireless communication

Wireless data collection and transmission

PC, Sensors, pumps, valves, meters wireless communication

Wireless SCADA


Application Example

RS485 Wireless Radio Modem 0




Contact Details

Phone Number : +8613826574847

WhatsApp : +8613826574847