IOT-L2S 433m wireless sensor SX1278/SX1276 LoRa rf transmitter module

Place of Origin:
Shandong, China (Mainland)
Brand Name:
Model Number:
wireless transceiver LoRa data module
Power Supply:
AC85-265V,50/60Hz or DC8-36V
Communication Range:
Protocols Supported by RS485:
Modbus RTU, DL/T 645
Working Frequency Range:
ISM Band:
Baud Rate:
Power Consumption:
Antenna Impedance:
Din-rail mounted installation
Supply Ability:
200 Piece/Pieces per Day lora module
Packaging Details
Inner box/Carton
Any Chinese port
Lead Time:
Quantity(Pieces) 1 – 50 >50
Est. Time(day) 7 To be negotiated


IOT-L2S 433m wireless sensor SX1278/SX1276 LoRa rf transmitter module

Product Description

The LoRa Data Transmission Modules, Model IOT-L2S-B1&B2, are universal communication interactive equipment designed and manufactured based on LoRa RF chip. The module integrates two interfaces of industrial standard RS485 and supports a variety of protocols to realize the data transmission between wired and wireless devices. They are widely applied in fields of IoT, wireless meter reading, smart home, smart city, fire safety, industrial manufacturing, agriculture and forestry monitoring, building energy saving etc..



· 2 standard interfaces of RS485, supporting a variety of protocols and communicating with various automatic devices with RS485 interfaces
· Equipped LoRa chips from Semtech for RF part
· Transparent transmission mode
· Wireless ultra-long transmission distance with up to 8km barrier free
· Small size, easy to install
· Working temperature range: -20℃~70℃, suitable in all kinds of harsh environment
· Wide operating voltage range with optional multi specification models

Product Details

 Heyuan 433/470Mhz Lora SX1278 RS485 interface LoRa module

Power Supply AC85-265V,50/60Hz or DC8-36V
Power Consumption <1W
Protocols Supported by RS485 Modbus RTU, DL/T 645
RS485 Communication Mode Transparent Communication
RS485 Communication Baud Rates 1200-115200bps,8N1, 8E1, 8O1
Installation Din-rail mounted installation
RF Parameter
Working Frequency Range 410M-525MHz
ISM Band 433MHz/470MHz
Antenna Impedance 50Ω
Output Power 18dBm100mA
Sensitivity -139dBm(SF12, broadband125KHz)
Sending Packet Length 255bytes
Receiving Packet Length 255bytes
Communication Range 6-8km
Model Selection
Model RS485 Power Supply Voltage Wireless Parameters
Working Frequency Networking Modes
IOT-L2S-B1 2 AC85-265V 433MHz/470MHz Transparent Transmission
IOT-L2S-B2 2 DC8-36V 433MHz/470MHz Transparent Transmission

Heyuan 433/470Mhz Lora SX1278 RS485 interface LoRa module

Heyuan 433/470Mhz Lora SX1278 RS485 interface LoRa module

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Company Information

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