Product Description

 Introduction:
LS-R**4 is a 1W radio modem, transmit 3km LOS. It supports UHF band, *4V power supply. Usually works as DTU to connect with PLC and other industrial control devices. LS-R**4 Supports RS**5 Modbus RTU protocol. Has the advantage of register data restore function.
 
Application:
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
 
Parameter:
Power output: *4V DC
RF power: 1W
Air baud rate: 1,**0/2,**0/4,**0/9,**0/*9,**0bps choose one
Interface baud rate: 1,**0/2,**0/4,**0/9,**0/*9,**0bps programmable
Frequency band: **3, **0, **0 or others
Interface: RS***2, RS***5 and USB
Communication mode: Half-duplex
Channel: 8(default), *6/*2(customized)
Receive current: <*5mA
Receive sensitivity: -*@********************