External Wifi Antenna

To improve the WiFi signal quality, you can add an external antenna.

  less than a minute  

After adding the external antenna, you need to tell the Raspberry Pi CM4 to use the external antenna instead of the built-in one.

Terminal Cast

How to edit the antenna configuration

Instructions

You can do this by:

  • Run sudo nano /boot/firmware/config.txt
  • Scroll Down to the [cm4] section and:
    • Comment # dtparam=ant1
    • Uncomment dtparam=ant2
  • Save CTRL + O and Exit Nano CTRL + X
  • Reboot the OS by running sudo reboot
Last modified September 9, 2026: perf: load the recordings carousel and image zoom only where needed (b3290a46)