9dBi antenna, 60 degree beam width

Original, commercial, SL25-9 SiteLink Panel Antenna. RRP is somewhere between ~AU$70 and $90, I believe.

Open it up, and inside we find:

Photocopy of antenna:

A bit of photoshopping, printing, drawing and etching later:

Topside of board. Cable core connects to this layer. Underside of board. Shield of cable connects to this.

Not too bad for my first circuit board in 10+ years! Total cost of all components and chemicals used: ~AU$4.50

After intalling the backplane, 110mm square, 20mm behind the antenna:

Left to do