Proant Niche antenna licensed by Raspberry Pi
We are happy to support Raspberry Pi with a high performance printed antenna for IoT devices through
licensing the Proant Niche antenna.
Some news articles on the subject:
https://www.raspberrypi.org/magpi/pi-zero-w-wireless-antenna-design/
http://etn.se/index.php/nyheter/63274-ny-umeaantenn-i-senaste-raspberrykortet
https://www.technobuffalo.com/2017/02/28/raspberry-pi-zero-w/amp/