Key Specifications/Special Features:

• CPU : 32 bits MCU ,40 MHz , 16KB SRAM, 128KB Flash ROM
• Support: Modbus
• 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
• Digital I/O
  • Digital Input * 2
  •    3000VDC Isolation Protect ( Active High /Active Low Selectable )
  •    Dry contact : Logic level 0 : close to GND , Logic level 1 : open
  •    Wet contact : Logic level 0 : 0~3 V , Logic level 1 : 10 ~ 30 V
  • Digital Output * 2
  •    Relay ( Active High /Active Low Selectable )
  •    120V AC@10A , 240V AC@7A , 24V DC@10A
• Setup Tool : Windows Utility
• Power : DC 9~24V / 150mA@ 9V, 60mA @ 24V
• Led Lamp : SYS(red), Pairing(green), Rx(red), Tx(green)
• Environment: Operating Temperature: 10〜70℃, Storage Temperature: 20〜85℃
• Dimensions : 100 * 90 * 25 mm ( W * D * H )
• Weight : 350 gm ( not include power )

Wiring Architecture: