Key Specifications/Special Features:

• CPU : 32 bits MCU ,40 MHz , 16KB SRAM, 128KB Flash ROM
• Support: Modbus & Transparent
• LoRa Semtech SX1272
  • Freq. : ISM band 86 862 ~ 936MHz
  • Receiver Sensitivity : -137 dBm
  • Transmit Output Power : 20 dBm
  • Sleep Current : 3 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 1500~7500 Meters in free space
  • Data Rate : 0.244 ~ 18.2K bps ( LoRa ) / 300 K bps (FSK)
  • Application mode : Star
• Serial Port
  • RS-232/485 * 1 port
  • RS-232 half duplex : Rx , Tx , GND , RTS , CTS DB9 female
  • RS-485 : Data+ , Data- (Surge Protect)
  • Built in RS 485 Termi nal Resistor
  •  Speed : 9600 bps 〜 115.2 K 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
• Power consumption: 12VDC / 20mA, 9VDC / 30mA
• Led Lamp : SYS (green) , Rx(red) , Tx(green)
• Environment: Operating Temperature: 10〜70℃, Storage Temperature: 20〜80℃
• Dimensions : 100 * 90 * 25 mm ( W * D * H )
• Weight : 150 gm ( not include power )