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RF Antenna

Radxa ZERO 3W has an onboard Radxa D8 / AP6212 WiFi&BT module, an onboard antenna and an external antenna holder. The onboard antenna is used by default. You can freely choose to use the onboard antenna or an external antenna through the overlay.

zero3w antenna1

  • 1: Onboard antenna
  • 2: External antenna

Use external antenna​

If you need to use an external antenna, you need to enable the external antenna overlay, Use rsetup Device Tree Configuration.

sudo rsetup

zero3w antenna2