4 layers

Antenna Module with integrated receiver
takuhoTech/CelestNavi-Fusion
Ready-to-use GNSS+CLAS receiver with integrated patch antenna
53 partsMIT
Boards in 1 GitHub repository, designed in KiCad, that use the TA1985A by TST (-40℃~+85℃ 1.26GHz 30dB 5.5dB 96MHz SMD3030-6P SAW Filters ROHS). See how each wires it, with its parts, size, README and files; the TA1985A’s symbol, footprint and pinout are on its own page.

takuhoTech/CelestNavi-Fusion
Ready-to-use GNSS+CLAS receiver with integrated patch antenna