LoRa / RS485 & AUX In / Out Gateway

WW-3C28 (For Russia)

WW-3C28-R is the outdoor wireless gateway for LoRa to RS-485, which is suitable for widespread area and outdoor environments where requiring the long-range, low data, and non-immediateness communication.
LoRa is Low-Power and Long-Range transmission protocol and features good anti-interference performance to prevent electronic jamming.


• LoRa Wireless data link provide stable data stream.
• Wide voltage operation for Industrial applications.
• High output RF Power and high sensitivity provide more than 40KM transmission distance.
• Multi-Interface support RS-485 / Analog or Digital Input / Digital Output.
• AUX Power output for general purpose such as plug-in sensor, or other sub system.
• Software setting function such as Frequency / ID / P2P / Group / Broadcast / Power output ….
• Resist the water, dust, temperature and shock and meet with the IP68 standard.
• Analog Input Support 0~10 V / 0~20 mA / 4~20 mA / ADC (0~10 V).
• Modbus command for Analog Input / Digital Input / Digital Output / DC Output.
• Digital Output support PWM / Latch Mode.
• AUX I / O support remote setup / status inquiry function.


Product Type: Outdoor
Air Stream Protocol: LoRa Wireless Protocol
Operating Frequency Range: 410 ~ 525MHz / 862 ~ 1020MHz (According to the local regulatory compliance.)
Sensitivity: Up to -136dBm@SF=7 / 10.4K bandwidth
Transmit RF Power: Maximum 25mW
Interface: RS-485 x 1 / Analog or Digital Input x 1 / Digital Output x 1
RS-485 Protocol: Modbus RTU
Serial Interface Baud Rate: 1200bps / 2400bps / 4800bps / 9600bps / 19200bps / 38400bps / 57600bps / 115200bps / 230400bps
Analog Input: Analog Input Support 0~10 V / 0~20 mA / 4~20 mA / ADC (0~10 V)
Digital Input: Digital Input Support High / Low Signal Judge
Digital Output: Digital Output Support PWM / Latch Mode
Operating Temperature: -40°C ~ 85°C
Topology: Broadcast / Group / Peer to Peer
Main Unit Dimensions: 10 x 10 x 4.8 cm (Not include antenna and external connect)
Weight: 195 g
Waterproof: IP 68
Input Power Supply: 12V ~ 36V DC / 1A
Output Power Supply: 5V DC / 200mA (Max.)
Power Consumption: 24V 15mA @868 / 920MHz receive, 24V 95mA @868 / 920MHz transmit 25mW
Special Specification: Flame Retardant

Drill Template
Modbus Command Tool
String Command Tool