Features

• LR-201-S: RS-232/422/485 To LoRa
• CPU: 32 bits MCU, 40 MHz, 16KB SRAM, 128KB Flash ROM
• Support Modbus/ Transparent 

Specifications

LoRa: Semtech SX1272

• ISM band 862 ~ 936MHz
• Receiver Sensitivity: -137 dBm
• Transmit Output Power: 20 dBm
• Sleep Current: 3uA (at power down state)
• TX current < 140 mA@20 dbm , RX current < 10 mA
• Security processor ( 128/192/256 bits AES )
• Packet engine up to 256 bytes with CRC
• Antenna: SMA Type , 2 dBi , changeable 
• Distance: Up To 5000 Meters in free space
• Data Rate: 0.244 ~ 18.2K bps (LoRa) / 300 K bps (FSK)
• Application mode: Star

Serial Port

• Port: RS-232/422/485 * 1 port ( auto Detect )
• RS-232: Rx, Tx, GND, RTS, CTS ( DB9 female )
• RS-422: Tx+, Tx-, Rx+ , Rx- (Surge Protect )
• RS-485: Data+, Data- (Surge Protect)
• Built –in RS-422/RS-485 Terminal Resistor
• Speed: 9600 bps〜
• Parity: None, Odd, Even
• Data Bit: 7, 8/ Stop Bit : 1, 2

Setup Tool

• Windows Utility

Power

• DC 9 ~ 24V / 150ma @ 9V, 60ma @ 24V

Led Lamp

• SYS (green), Rx(red), Tx(green)

Environment

• Temperature:
  • Operating Temperature: -10℃〜70℃
  • Storage Temperature: -20℃〜80℃
• Dimensions: 100 * 90 * 25 mm ( W * D * H )
• Weight: 150 gm ( not include power )