Maple leaf pcb antenna

The Gerber file (in zip format, needed for ordering)
http://s.go.ro/mlxc20ah 249 3 | parola: 224355
(parola=password)
Manufactured here:
https://jlcpcb.com/ 125
PAY ATTENTION, when ordering, pcb thickness must be 1 mm

RP-SMA connector must be purchased separately and soldered to the antenna.

What frequency is the antenna tuned for?
What are the dimensions of the antenna?
What gain does the antenna have?
Is this directional or omni? Circularly polarized?

5.2-5.3 ghz.
About 10cm/2cm
~3dbm
Omni directional, vertical polarized.

And good day/morning /night, or “Hello”, “I have a few questions”
Manners…