IOT-L2S 433.92MHz rf wireless transmitter rs485 to LoRa remote
The Heyuan 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
| Parameter | |
| 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 |