It's overall bandwidth is increased due to other wireless bands, which makes the overall data transmission rate improved, and it has a longer transmission distance. As technology develops, manufacturers can make 2.4GHz wireless products more compact and less power hungry.
Extended information:
In today's daily life, more and more wireless devices are appearing. Congestion in the 2.4GHz band is a growing problem. So when using a wireless router that works in the 2.4GHz band, you will find that from time to time there are poor wireless signals, network lag, frequent dropouts and other problems. In the many sources of interference, microwave ovens are undoubtedly the most serious interference with the wireless signal appliances, in the daily use of the wireless network to try to avoid microwave ovens and cordless phones to use.
For the 5GHz band, the 2.4GHz band has a wider coverage due to its lower frequency, and has a stronger penetration capability. However, in our home environment we are often able to search the signals of 4-5 wireless routers, and the noisy environment and severe interference of 2.4GHz leads to a poor user experience. The inability to get both the coverage, penetration and user experience of a wireless network makes the 2.4GHz band still very much dependent on it, and it is impossible to throw it away.
Zhongguancun Online -- Dual-band routing is becoming mainstream, and the performance advantages and disadvantages of the two bands are being analyzed