Unfortunately it's not antenna. It is actually used for testing purposes. [1] https://www.raspberrypi.com/news/new-raspberry-pi-zero-2-w-2/#comment-1564709 htt

Unfortunately it's not antenna. It is actually used for testing purposes. [1] https://www.raspberrypi.com/news/new-raspberry-pi-zero-2-w-2/#comment-1564709 https://www.raspberrypi.com/news/new-raspberry-pi-zero-2-w-2...