"1. The steps of viewing on PC side are as follows:
Click the network Logo Button in the lower right corner of the system desktop.
In the pop-up box, click Network and Internet settings.
In the open Settings window, click hardware properties under WLAN.
2、 Viewing mode of wireless terminal:
1. Android system
Different brands of Android system are different. Take Huawei mobile phone as an example, you can click the name of the connected Wi Fi in the Wi Fi list to display the corresponding information, including the frequency of the wireless network.
2. IOS system
Download in the application market: Airport tool.
Turn on the Wi Fi scanner in the settings airport tool.
Open the app and click "Wi Fi scan" in the upper right corner. The 1-13 band is 2.4G, and the 13 band is 5g. "