Which embedded antenna choice is right for your design?
When antennas are embedded on the PCB inside the device, performance depends on several factors. Several embedded antenna technologies are available, and while no one will work in all cases, selecting the right antenna type and placing it correctly on the board could massively increase its radiation efficiency and provide several other improvements
Edoardo Genovese Technical Development Ceramic Loop Antennas Evertiq Expo Tampere Technical Development Manager
Source: evertiq.com