Features

• LR-201-U: USB To LoRa
• CPU: 32 bits MCU, 40 MHz, 16KB SRAM, 128 KB 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

USB Port

• Port: USB * 1 port, Connector: USB type B
• Chipset: Silicon Laboratories CP2102
• Compliant: US1.0 , 1.1 , 2.0
• Baud Rates: Full speed 12 M bps
• Driver Support: Windows-98/ 2000/ XP/ 2003/ Vista /Win-7/Win-10,Mac Osx / Os9 / Linux2.4 / 2.6

Provide

• USB driver

Setup Tool

• Windows Utility

Power

• DC 5V / 150mA @ 5V

Led Lamp

• SYS (red) , Pairing (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 )