According to the different data transmission methods of DTU, DTU can be divided into 4 types: GPRS DTU, WIFI DTU, CAN DTU, 4G DTU.

Compared with the commonly used programmable controller PLC, RTU usually has excellent communication capabilities and larger storage capacity, is suitable for harsher temperature and humidity environments, and provides more computing functions. RTU products are widely used in SCADA systems in industries such as oil and gas, water conservancy, power dispatch, and municipal dispatch.

The Wi-Fi Alliance stated that Wi-Fi 6E will be particularly suitable for AR and VR, and it will also help solve the problem of insufficient Wi-Fi spectrum. It can provide continuous channels that can accommodate 14 additional 80MHz channels and 7 additional 160MHz channels Spectrum block, due to more channels and wider spectrum space, interference between Wi-Fi networks will also be reduced. Alth···