The
Raspberry Pi 4 keeps the same form-factor and $35 starting price of its predecessor, but it
has improved specs across the board. It now comes with up to 4GB of RAM (
four times that of any previous
Pi), a faster CPU and GPU, faster Ethernet, dual-band
Wi-Fi, twice the amount of HDMI outputs, and two USB 3 ports.
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The first step is to login Raspberry Pi 4. Then open Terminal \u2013> Type sudo iwlist wlan0 scan \u2013> Hit Enter. This command will scan and list all the available WiFi networks with all necessary information. We will get our home network details into this list (say for example SSID which is a name of wifi network).
