Multilevel RNN-Based PM10 Air Quality Prediction for Industrial Internet of Things Applications in Cleanroom Environment

Table 1

Experimental scenario situation.

Interface	Frequency band	Rate	Range	Topology
Modbus RTU	900 MHz	19200 kbps	1 km	Serial bus
	928 MHz
LoRa	433 MHz	0.3-50 kbps	15-20 km	Star
	868 MHz
	915 MHz
Wi-Fi	2.4 GHz	450–600 Mbps	0.46 km	P2P connection
	5 GHz	Up to 1300 Mbps	0.24 km

T = temperature; H = humidity; VOC = volatile organic compounds; PM = particulate matter.