I have some questions about designing this:
I have read that I need one wavelength of space between antennas which on a small PCB is quite large. For Ch9 - 8 GHz - wavelength is 3.7 cm right? What is the smallest space that I can get away with?
What are the smallest recommended chip antennas that I can use for PDoA? Right now I was using the ACS5200HFAUWB, but would prefer smaller ones.
Thank you for your help.