GSM remote wireless 4g to web server rtu for Security Alarm System

S281 LoRa gateway is data acquisition device based on Lora, 4G and Ethernet communication technologies. One LoRa gateway can collect data from 50 wireless Lora nodes, and the communication distance can reach 2000 meters. It is an optimal solution for data collection within the area. Lora nodes powered by low power three AAA batteries, there are temperature, temperature and humidity sensors , RS485 nodes, DI nodes, DO nodes, various agricultural sensor nodes, etc. It is widely used in workshop temperature and humidity, equipment utilization rate, agriculture, breeding and other fields.